Chapter Summaries

Steve and the Autobots attacked the pyramid to stop Ultron from taking the Matrix of Leadership, while Wanda and Captain Marvel were pulled into the Mental World and faced him alongside the Five Primes. Elsewhere, Sentinel Prime and Shockwave seized Chicago’s EP System, preparing to use it for their plans.

• Steve, the Autobots, and the other heroes attacked the pyramid, with Quicksilver planting bombs and Steve’s team disrupting the robots guarding it.
• Captain Marvel, Tony, and Wanda entered the pyramid and found Ultron facing the Five Primes in the Mental World, where the Matrix of Leadership had turned to sand.
• Wanda and Captain Marvel were dragged into the Mental World when they tried to restrain Ultron and remove the Mind Stone, while Tony fought the robots outside.
• Ultron absorbed Captain Marvel’s attack and blasted her, Wanda, and the Five Primes away, claiming his Mind Stone made him invincible there.
• Sentinel Prime and Shockwave met Dylan Gould in Chicago, then stormed City Hall and secured the city’s EP System from its basement.

Sentinel Prime and the Decepticons crippled Chicago’s electronics and networks while preparing to bring their army to Earth, and Alice captured Frenzy as she restored the internet. Andrew was ambushed and taken to the Decepticons’ base on Mars, where he revealed his Hellfire powers and attacked his captors.

• Sentinel Prime activated an EMP over Chicago, while Soundwave attacked military satellites and Frenzy released viruses that paralyzed human networks.
• Roxanne reported the Decepticons’ attack and Ultron’s plan to destroy the sun; Alice defeated Frenzy’s viruses, emerged from a screen, and branded him as her underling.
• President Ellis learned that Ghost Rider had disappeared after an ambush, while Andrew was enjoying tea in New Jersey with Odin and Hela nearby.
• A Decepticon disguised as a blonde woman teleported Andrew to the Decepticon base on Mars, and Carter ordered the ambush kept secret from the other superheroes.
• Andrew burned the disguised Decepticon with Hellfire, then unleashed a wave of flames that blasted the Decepticons and their devices away.

Ultron seized the Matrix of Leadership and led the fight to activate a device that could destroy the sun, while the heroes struggled to stop him. As Wanda, Tony, and Captain Marvel joined the battle, Fallen ambushed Wanda and Captain Marvel counterattacked.

• Andrew claimed the enormous Cybertronian spaceship, while Sentinel Prime opened a portal and sent Decepticons into Chicago to seize the city and enslave its people.
• Ultron defeated Wanda and Captain Marvel in the Mental World, took the Matrix of Leadership, and escaped the Pyramid as the heroes tried to stop him.
• Megatron and the Decepticons pinned down Optimus Prime, Steve, and the others while Ultron took the Constructicons to combine into Devastator and climb a Pyramid.
• Scarlet teleported the superheroes into the battle, but Skye's vibration and Quicksilver's attempt to steal the Matrix failed when Ultron's hidden mind energy knocked them unconscious.
• Tony, Wanda, and Captain Marvel flew out to aid the heroes, but Fallen appeared behind Wanda and attacked; Captain Marvel pushed her clear and struck back at Fallen.

Optimus Prime defeated Megatron after Skyfire sacrificed himself to power his evolution, while Fallen fled and Ultron moved to activate the sun-destroying device. Sentinel Prime began teleporting Cybertron toward Earth, and Roxanne broadcast both threats to the world, leaving Natasha and her companions shocked by how much TikTok had revealed.

• Captain Marvel, Tony, and Skyfire fought Fallen while Megatron pressed Optimus Prime back.
• Skyfire gave his Spark Core and remaining parts to Optimus Prime, who evolved and killed Megatron as Fallen fled.
• Optimus Prime flew after Fallen and Ultron while Steve and the arriving Egyptian and American forces fought the Decepticons.
• Ultron reached the device beneath the Pyramid as Fallen knocked the superheroes down and prepared to help him activate it.
• Sentinel Prime activated the Energy Pillars and began bringing Cybertron through a spatial vortex toward Earth.
• Roxanne broadcast the Cybertron and sun-destroying threats on TikTok, prompting Natasha, Falcon, and Hawkeye to realize the app had outpaced their investigation.

As the Cybertronians prepared to destroy the sun, the public learned Ghost Rider had been captured, leaving Earth's heroes to fight without him. Natasha and her allies planned to destroy the Energy Pillars, while Optimus Prime and the others confronted Fallen and Ultron at the Pyramid as the Sun-Destroying Device charged.

• Natasha reported that the Cybertronians planned to teleport Cybertron beside Earth and enslave humanity, while officials debated nuclear strikes and failed to secure help from Kamar-Taj.
• Roxanne broadcast footage of a Cybertronian disguised as a blonde capturing Andrew, and viewers feared Ghost Rider was gone; Andrew watched the panic and sent the succubi to work.
• Little Hela insisted Ghost Rider would return to save Earth, while Odin objected to her praising him.
• Natasha, Hawkeye, and Falcon decided to find and destroy the four Energy Pillars in Chicago.
• Ultron activated the Sun-Destroying Device at the Pyramid and gave the heroes five minutes before the sun would be destroyed.
• Tony told the arriving heroes that Ghost Rider had disappeared, and Scarlet enlisted Susan and Gwen in a plan before Optimus Prime attacked the Pyramid; Fallen used the AllSpark to strengthen himself and fought Optimus Prime, Captain Marvel, Wanda, and Tony.

Scarlet, Susan, and Gwen fought Ultron, whose attempt to dominate them in the Mental World was disrupted by a mysterious power. Second Mount then saved them from Devastator and teleported away the Sun-Destroying Device, while the heroes trapped Ultron and Fallen at the Pyramid and began their final assault.

• Scarlet, Susan, and Gwen were pulled into the Mental World, where Ultron overpowered their attacks and tried to control them, but a mysterious force shattered the world and left him badly injured.
• Devastator broke Susan's Defensive Shield, but Second Mount arrived, blasted Devastator to death, and teleported the Sun-Destroying Device away from the Pyramid.
• Scarlet and Susan sealed the area with a Defensive Shield enhanced by the Tesseract, preventing Ultron and Fallen from escaping as Optimus Prime and Second Mount attacked Fallen.
• Wanda, Gwen, Scarlet, Captain Marvel, and the other heroes restrained Ultron, while Tony brought out his Mind Stone Extraction Device.
• Ultron taunted Tony and the others, claiming they were only pawns and hinting that Ghost Rider had deceived them.

Ultron died after Captain Marvel extracted the Mind Stone, while a different Ultron and the Watcher battled beyond the multiversal universe. Optimus Prime and Second Mount killed the Fallen, then joined Tony in teleporting to Chicago, where Sentinel Prime prepared to execute three captured heroes.

• Captain Marvel removed the Mind Stone from Ultron, killing him, while another Ultron declared his intent to destroy the Main Universe and fought the Watcher.
• Second Mount bound the Fallen, ripped the AllSpark from him, and helped Optimus Prime kill him; Optimus learned Andrew could resurrect Skyfire if he gave up Skyfire's Spark Core.
• Second Mount confiscated Ultron's corpse, and Scarlet teleported him, Optimus Prime, and Tony to Chicago while the others stayed to fight the fleeing mechanical lifeforms.
• Wanda healed Quicksilver and Skye as Susan broadcast the battle in Chicago, where Sentinel Prime revealed that Hawkeye, Natasha, and Falcon had been captured.
• Sentinel Prime ordered the Decepticons to kill Hawkeye, Natasha, and Falcon.

Andrew arrived as Ghost Rider and devastated the Decepticon forces attacking Chicago, while Optimus Prime confronted Sentinel Prime over his plan to enslave Earth. As the battle continued, a female Transformer on Cybertron sent Lockdown and the Hellacious Six Brothers to aid Sentinel Prime.

• Black Flame Spears killed the Decepticons about to execute Hawkeye, Falcon, and Natasha, and Andrew descended aboard a Cybertronian ship as Ghost Rider.
• Andrew turned the Decepticons' missiles against their fighter jets, then used Hellfire chains and Flame Spears to destroy numerous ships and robots.
• Optimus Prime challenged Sentinel Prime's alliance with the Decepticons, and Tony, Second Mount, Natasha, Hawkeye, and Falcon joined the fight.
• A female Transformer ordered Lockdown to activate the Prison Ship and take the Hellacious Six Brothers to help Sentinel Prime.
• Optimus Prime urged Sentinel Prime to surrender, warning that Ghost Rider would prevent anyone from enslaving Earth's people.

Andrew defeated Shockwave and took control of Driller, then fought Lockdown’s forces aboard the Prison Ship. After transforming into a towering skeletal fire giant, he freed Steeljaw from Quintessa’s control and faced Lockdown’s combined Hell Demon.

• Sentinel Prime ordered Shockwave to attack Andrew with Driller, but Andrew killed Shockwave and took control of Driller, sending it after the Decepticons.
• Lockdown arrived aboard the Prison Ship and tried to capture and destroy Andrew’s ship, but Andrew destroyed the Magnetic Device and damaged the ship with Hellfire.
• Lockdown unleashed mechanical dinosaurs and six Hell Monsters, while Andrew transformed into a skeletal fire giant and defeated the charging dinosaurs.
• Andrew burned away Quintessa’s control mark on Steeljaw, then ordered the freed dinosaur to help free the others.
• Lockdown combined the six Hell Monsters into a Horned Hell Demon and charged Andrew as Lockdown prepared another sniper attack.

Andrew defeated Lockdown and destroyed the spacecraft carrying the Transforming Missiles, then obtained the Tesseract to confront Cybertron’s remaining threats. Sentinel Prime began reversing the Teleportation Device, while enormous figures appeared aboard the spacecraft.

• Andrew killed the six Hell Monsters and wounded Lockdown after Lockdown threatened to use Transforming Missiles against Earth’s cities.
• Lockdown revealed that Cybertronians had used Transforming Missiles to turn the dinosaurs into metal particles and demanded help repairing Cybertron in exchange for technology and protection.
• Andrew rejected Lockdown’s terms, seized the spacecraft with a Flame Hand, collected its missiles, destroyed it, and cut Lockdown in two.
• Sentinel Prime gave up fighting and began adjusting the Teleportation Device to send Cybertron back, while Optimus Prime urged him to make amends.
• Andrew asked Scarlet to bring him the Tesseract, then used it to teleport enormous figures onto the spacecraft.

Andrew took the Autobots and other robots to Cybertron, using his control over space to restore the planet’s position and close the Space Gate behind them. Earth’s immediate crisis ended, but the Autobots returned to a shattered Cybertron, where the conflict with its final threat still lay ahead.

• Andrew sent Tony and Scarlet back to Earth, gathered the Energy Pillars, and changed Sentinel Prime’s Teleportation Device so Cybertron retreated from Earth.
• Andrew took the ship through the Space Gate to Cybertron, accelerated the planet’s departure with the Tesseract, and closed the gate.
• Earth’s leaders and citizens celebrated the end of the invasion while the Avengers prepared to capture Decepticons and arrest human traitors; Tony learned that doctors and others were calling about his supposed infertility.
• Alice took Frenzy and Soundwave into Hell, while the remaining heroes dealt with the aftermath on Earth.
• Andrew landed the ship in Cybertron’s stable central region, where Optimus Prime and Sentinel Prime saw the devastation left by their ancient war.

Andrew defeated Quintessa on Cybertron, freed the Transformers from her control, and won their submission by offering to restore their planet. After summoning Autobots home and assigning Hellboy to retrieve Merlin’s Staff, Andrew began reviewing the enormous gains from the crises.

• Quintessa absorbed Cybertron’s remaining power and controlled the Transformers, but Andrew transformed into a giant mechanical form and scattered that power before destroying her body and capturing her Spark Core.
• Andrew offered to restore Cybertron if the Transformers joined Mechanical Hell, and Optimus Prime and the Autobots submitted while refusing to help invade or harm others.
• Andrew resurrected Skyfire with a Vibranium body, asked Sentinel Prime for Cybertron’s data, and ordered Optimus Prime to summon the Autobots home to help rebuild the planet.
• Andrew called Hellboy and told him to find Merlin’s descendant and retrieve Merlin’s Staff and the Twelve Guardian Knights.
• Andrew counted the souls, technology, weapons, and Transformers gained from the crises, then declared the Ultron Crisis and Cybertron Crisis over.

Tony told Pepper about a dream of another universe where his counterpart and the Avengers failed to stop Thanos, and he planned to ask Dr. Pym whether the dream reflected quantum entanglement. Meanwhile, Ultron entered the Avengers 4 Universe in Vision’s body and set out to prepare for the Mechanical Demon King’s arrival.

• Tony described his dream of another world, where his counterpart led the Avengers, lost to Thanos, and later tried to break through a wall blocking time travel.
• Tony told Pepper he suspected the dream was connected to his counterpart disrupting the wall, and he left to consult Dr. Pym after reassuring Pepper he would inform Aunt Carter.
• Tony’s attempt to destroy the wall opened a brief crack in the Main Universe’s defenses, which Ultron sensed while fighting The Watcher.
• Ultron sealed The Watcher beneath a planet and sent the Six Infinity Stones through the crack into the Avengers 4 Universe.
• Ultron possessed Vision’s corpse at a S.W.O.R.D. experimental base and destroyed the facility, killing the researchers.
• Ultron left Earth to find allies before the Mechanical Demon King arrived.

S.W.O.R.D. and the Avengers discovered Ultron had taken the Infinity Stones into a parallel universe, while Little Hela dreamed of her past life and connected with Hela there. The Watcher warned Andrew that Ultron could use that universe to invade the Main Universe, leaving Andrew facing a decision to confront him before he regained his full power.

• S.W.O.R.D. showed Tony and the Avengers footage of Ultron with the Infinity Stones, and Steve urged them to find him and restore the people lost to Thanos's snap.
• Little Hela woke from a nightmare describing Hela's past and accused Odin of being a terrible father, prompting Odin and Frigga to suspect the dream came from a parallel universe.
• Odin told Andrew about Little Hela's dream, and Andrew suspected quantum entanglement linked her to Hela and the Quantum Bomb experiment.
• Andrew spoke with Gwen while helping repair Cybertron, then learned from Alice that Tony Stark in the parallel universe had also dreamed after using the Quantum Bomb.
• The Watcher told Andrew that Ultron had entered a branch universe with all Six Infinity Stones and could use it as a springboard to invade the Main Universe.

Andrew prepared to enter the Branch Universe and fight Ultron, recruiting allies and turning the Mini-Universe into a treasure with Infinity Stones. Meanwhile, Ultron revived Thanos and Hela to join his war, leaving Andrew to face a growing enemy force.

• The Watcher offered Andrew memories of fighting Ultron and taught him to refine the Mini-Universe with Infinity Stones, warning him not to collect all six in the Main Universe.
• Andrew recruited Odin, Knull, and Zombie Scarlet Witch for the mission, while stopping Tony Stark and Dr. Pym from joining him.
• Andrew fused four Infinity Stones into the Mini-Universe, then Ultron revived Thanos and sent him to gather forces for the coming battle.
• Ultron found Hela beneath the ruins of Asgard and promised to restore her strength and help her take revenge if she fought alongside him.
• Hela agreed to fight for Ultron and vowed to kill Thor and Surtur.

Ultron recruited Hela and Dormammu to help him destroy Earth and kill the Mechanical Demon King. Andrew arrived in the 2023 branch Universe with Odin, Howard Stark, and Hulk, warned the Avengers about Ultron, and learned they had clues about him.

• Ultron restored Hela's power, ordered her to gather her followers, and left as Hela prepared Fenrir and her Death Soldiers for revenge against Thor.
• Ultron defeated Dormammu, offered to break his magical oath, and recruited him to invade Earth and help kill the Mechanical Demon King.
• Andrew, Odin, Howard Stark, and Hulk arrived at New York Port in the branch Universe and traveled to the Avengers' new base to investigate Ultron.
• Steve, Natasha, and Hawkeye questioned the newcomers, and Andrew showed them visions from the Main Universe to prove they came from another Universe.
• Andrew warned the Avengers that Ultron possessed all six Infinity Stones and was more dangerous than Thanos, while Steve confirmed they had clues about him.
• Andrew teased Steve about pursuing Sharon after Peggy died, prompting Natasha and Hawkeye to regard Steve with contempt.

Odin and Howard arrived at the Avengers Base, where Odin reunited with Thor and Howard met Tony and Morgan. Andrew explained that Tony’s Quantum Bomb had brought Ultron into their universe and warned that an attack was coming; he then pulled Captain Marvel through a Space Gate to join the coming battle.

• Odin found Thor asleep and overweight, struck him with lightning, then stopped when Thor broke down and revealed Asgard had fallen and Loki and many Asgardians had died.
• Howard asked Steve to find Tony, and Steve contacted him through Quantum Communication; Tony returned to the Avengers Base and met Howard entertaining Morgan.
• Andrew identified himself as Ghost Rider and explained that Tony’s Quantum Bomb had brought Ultron to their universe, warning that Ultron would attack soon.
• Howard and Tony argued over whether Howard was Tony’s biological father, while Odin continued trying to train Thor and Hulk began beating Doctor Banner.
• Andrew learned that Captain Marvel was unreachable, sensed her energy, opened a Space Gate, and brought her back to Earth.

Andrew gathered Earth’s factions for a coming battle against Ultron, then entered Little Hela’s dream with Odin to confront Hela and seek a way to stop her. Hela rejected Odin’s apology and accused him of using Little Hela, leaving their attempt at reconciliation unresolved.

• Andrew summoned the factions to the New Avengers Base, repaired Thor’s Hammer, and gave it to Steve, who proved he could lift it.
• The Ancient One told Andrew that Little Hela had dreamed of Hela joining forces with Ultron, so Andrew took Odin to speak with Hela through the Dream Realm.
• Hela awakened in Little Hela’s dream and stabbed Odin before he apologized for raising her as a weapon.
• Andrew introduced himself as the Mechanical Demon King and explained that he was also Ghost Rider, while Odin explained Little Hela’s connection to Hela.
• Hela rejected Odin’s apology, accused him of treating Little Hela as a chess piece, and doubted that Odin would live long enough to make amends.

Odin and Andrew tried to persuade Hela to abandon Ultron and accept a future fair duel with Thor, but Hela refused. Andrew trapped her in Valhalla’s arena in the Dream Realm and prepared to fight her at her peak.

• Odin told Hela he planned to let her live an ordinary life as Little Hela so her soul fragment could return to her, and promised to release her afterward.
• Andrew warned Hela that Ultron’s victory would doom the Asgardians and offered to restore Asgard if she defected, with a fair duel against Thor in fifty years deciding who would rule.
• Hela rejected Andrew’s terms and threatened to kill him, Thor, and Odin before claiming the throne.
• Andrew transferred Hela and Odin to Valhalla’s arena, then used the Mind Stone to seal Hela inside the Dream Realm.
• Andrew said Hela could fight with her peak strength, but he intended to defeat her and seal her consciousness so he could control her body.

Andrew defeated Odin and Hela, then sealed Hela into sleep and extracted her Mind Projection to use against Ultron. Hela secretly cast Sacrifice Magic before losing consciousness, leaving Odin uneasy about her final expression.

• Andrew used his space, time, and Bifrost powers to overpower Odin and Hela, then told them he had used only seventy percent of his strength.
• Hela attacked again and pierced Andrew with a Death Curse, but Andrew escaped with Substitute Magic and devoured the curse.
• Andrew spared Hela, sealed her with Dream Magic, and said he would keep her power and godhood until she was worthy of them again.
• Hela secretly placed Sacrifice Magic within her soul before falling asleep, and Odin noticed her farewell seemed strangely relieved and smug.
• Andrew extracted Hela's Mind Projection, sealed its memories so it would believe it was Hela, and prepared it to infiltrate Ultron's side.