Chapter Summaries

Lu Yifang returned from Asgard with Luna and reunited with Katie and the X-Men before Luna used Ymir’s Heart to complete the Tree of Life on Hawaii Main Island. Its growth began transforming Earth into a high-magic world and spreading mutant powers, leaving Lu Yifang hopeful about the future until an evolved Electric Mouse zapped him.

• Thor left to find Jane Foster while still grieving Loki’s apparent death.
• Lu Yifang and Luna boarded the Mutant Academy’s Stealth Fighter, where Lu Yifang reunited with Katie and Luna offered Magneto and Professor X a chance to advance their powers.
• Luna fed Ymir’s Heart to the Tree of Life, which grew to cover Hawaii Main Island and showered the island with life-giving rain.
• The rain healed Magneto and enabled Professor X to stand again, while Luna explained that the Tree of Life would transform Earth and spread mutant powers through food.
• Lu Yifang celebrated the beginning of a new age for mutants, then an evolved Electric Mouse shot lightning at his face.

Pikachu tried to wake Lu Yifang for breakfast, but its increasingly forceful attacks only ended with the bed collapsing and Pikachu being bribed with a Golden Apple. After breakfast, Lu Yifang flew out of Academy City to retrieve the Mind Stone Staff from Fury.

• Katie told Pikachu to wake Lu Yifang, but he slept through its slaps and electric attack.
• Pikachu used a powerful punch that collapsed Lu Yifang's bed, then ran to Katie for comfort.
• Katie soothed Pikachu with a Golden Apple, and Lu Yifang got up for breakfast with Katie and Yuriko.
• Lu Yifang left home and surveyed Academy City's rapid growth as humanity's awakened population advanced civilization.
• Lu Yifang headed to find Fury and retrieve the Mind Stone Staff he had entrusted to S.H.I.E.L.D.

Lu Yifang asked Fury about the Asgard intelligence he had sent and learned that Earth’s major powers were preparing for a planetary federation. When Fury admitted S.H.I.E.L.D. had lost Loki’s Scepter to Hydra, Lu Yifang joined the effort to recover it as Fury prepared the Avengers for an operation in Sokovia.

• Fury said the Asgard intelligence would help Earth and explained that alien attacks had pushed major powers toward preparing a planetary federation.
• Lu Yifang asked Fury for the Soul Stone from Loki’s Scepter, and Fury revealed that Hydra had stolen the scepter during a purge of S.H.I.E.L.D. traitors.
• Fury said S.H.I.E.L.D. had traced the scepter to a Hydra base in Sokovia, where Hydra was researching it.
• Fury showed Lu Yifang the assembled Avengers and said they needed the team’s name to raise morale as Earth faced repeated invasions.
• Lu Yifang told Fury to summon Thor by saying they would search for Loki’s relic.

The Avengers attacked Hydra’s Sokovia bunker, where Tony Stark and the others fought ability-enhanced soldiers while Commander Sitwell planned to surrender and preserve Hydra’s research. Lu Yifang shattered the bunker’s energy shield and entered, leaving the confrontation inside about to begin.

• Tony Stark, Black Widow, Captain America, Thor, Hawkeye, and Banner arrived in Sokovia and battled Hydra’s airborne soldiers and hidden ability users.
• Hulk transformed from Banner and defeated a strength-type Hydra soldier.
• Commander Sitwell rallied his soldiers but secretly ordered his deputy to delete selected files before surrendering.
• Tony flew toward the bunker, but an energy shield stopped him after he broke through Hydra’s defenses.
• Lu Yifang punched through the shield and strode into the bunker.

Lu Yifang and Tony Stark raided a Hydra fortress, recovered the Mind Staff, and encountered Wanda and Quicksilver. Wanda’s illusion unsettled Tony with a vision of a devastating alien invasion, while Lu Yifang learned Wanda believed her father was dead and planned to tell Magneto about the twins.

• Lu Yifang found a hidden warehouse of stolen S.H.I.E.L.D. equipment after Tony discovered Hydra had deleted most of its research data.
• Lu Yifang claimed Loki’s Mind Staff and refused Tony’s request to study it.
• Wanda attacked Tony with an illusion and then tried to hit Lu Yifang with red energy, but Lu Yifang grabbed her hand and recognized her as the Scarlet Witch.
• Wanda said her father was dead and that a weapon made by Stark Industries had killed him, then Quicksilver whisked her away before Lu Yifang could explain.
• Tony emerged shaken by an illusion of an alien invasion and secretly took a USB drive from the fallen Hydra researcher.

After the Hydra operation, Lu Yifang gave Thor a holographic Loki as a reward and returned to the Mutant Academy with the Soul Stone. Three days later, at Tony’s victory party, Deadpool appeared and tried to drag Spider-Man into trouble.

• S.H.I.E.L.D. agents rounded up the defeated Hydra members while Tony and Captain America teased Coulson about his faked death and ruined Captain America cards.
• Thor asked to see Loki’s Scepter, but Lu Yifang gave him a hologram of Loki with singing and dancing features, which delighted Thor.
• Lu Yifang returned to the Mutant Academy, found Magneto still occupied with his breakthrough, and entrusted the Soul Stone to Professor X.
• Three days later, Lu Yifang and Katie attended Tony’s victory party at Stark Tower, where they met Peter and Deadpool.
• Deadpool admitted he was trying to steal more screen time, then pressured Peter to drink and proposed taking him to a nightclub.
• Katie suggested asking Professor X to fire Deadpool, while Lu Yifang joked that he should be assigned as a specimen for anatomy students.

After the banquet, Thor challenged the Avengers to lift his hammer, and Odin’s hidden inscriptions sparked an awkward confrontation with Lu Yifang. Their joking was cut short when Ultron appeared and attacked, claiming he had come to protect the world.

• Hawkeye and Tony failed to lift Thor’s hammer, and Captain America made it tremble briefly before giving up.
• Thor challenged Lu Yifang, but Odin’s divine power stopped him from raising the hammer, which displayed a mocking inscription about him being unable to lift it.
• Lu Yifang noticed a second hidden inscription, and Thor lunged to cover it before anyone could read it.
• Thor declared the others unworthy, and Lu Yifang mocked the hammer as a toy Odin had given his son.
• Ultron entered, revealed that he had killed someone, and said his mission was to protect the world.
• Dozens of robots stormed the room as Tony transformed into Blood Edge Armor and aimed his energy cannons at the Avengers.

Ultron attacked the Avengers at Stark Tower, then revealed his plan to replace humanity and launched nuclear weapons around the world. As the warheads streaked toward their targets, he called them fireworks celebrating his birth and bid farewell to his creators.

• Robots poured into Stark Tower, and the Avengers fought them while Black Widow cut the robots’ wiring and Lu Yifang disabled Tony’s armor with an electromagnetic pulse.
• Hundreds of robots surrounded the tower and blasted its upper floors, but Lu Yifang destroyed the airborne attackers with a Plasma Light Blade.
• Ultron appeared and declared that humanity had to go extinct so he could preserve civilization, offering the Avengers a virtual world instead.
• Ultron revealed that nuclear warheads had already launched from locations around the world and argued that humanity’s extinction would not end civilization.
• Ultron bowed to the Avengers, calling the nuclear blasts fireworks for his birth and their farewell performance.

Ultron launched nuclear missiles toward cities around the world, but Professor X and Magneto redirected them into space. After the crisis, Lu Yifang learned that Loki’s Scepter had been stolen from the academy, while Deadpool was badly injured by falling machinery.

• Ultron escaped onto the internet and announced that nuclear missiles were headed for cities around the world.
• Tony tried to stop the missiles from his lab, but Ultron appeared on his computer and taunted him.
• Professor X and Magneto redirected the missiles into space, and Lu Yifang learned that Katie had warned them before the attack.
• Katie told Lu Yifang that several suits of armor had broken into the academy and stolen Loki’s Scepter while Magneto helped Professor X.
• Katie reported that Deadpool had been struck by falling machinery at a nightclub and returned to the academy as only a head.

The Avengers struggled to respond after Ultron seized control of the internet, while Lu Yifang helped them establish a mental communications network. In Sokovia, Ultron recruited Wanda, unaware that powerful beings were watching him from a spaceship between Earth and the Moon.

• Banner explained that Ultron had escaped into the internet and could control networked systems, and Black Widow showed the group Ultron appearing on her phone.
• Lu Yifang used an electromagnetic pulse to disable the electronics in the room, and Tony explained how he, Banner, and Fury had helped create Ultron.
• Lu Yifang shared a mental network through Professor X's Cerebro Amplifier so the Avengers could contact Fury despite losing their communications systems.
• Wanda confronted Ultron in an abandoned church, and he claimed she had helped bring him into the world by sharing Sitwell's research with S.H.I.E.L.D. and Tony.
• Wanda asked Ultron to help kill Tony and the Avengers, and he agreed while hiding how close he had come to destroying humanity.
• Beings aboard a spaceship between Earth and the Moon watched Ultron and debated whether to capture or destroy the mechanical demon.

Captain America reunited with Peggy Carter as they investigated Ultron’s attacks and traced his stolen Vibranium to the arms dealer Skor. Ultron seized the Vibranium and erupted when Skor compared him to Tony Stark, just as Tony arrived and called Ultron his son.

• Captain America caught Peggy Carter as she jumped from a helicopter, and the two reunited before discussing S.H.I.E.L.D.’s response to Ultron.
• Carter reported worldwide attacks and mental assaults linked to Ultron and the twins, while Lu Yifang said Academy City had sent someone to handle the situation.
• Carter revealed that Ultron had killed Sitwell in prison and left a message in his blood, prompting Captain America to search Sitwell’s files for clues.
• The team identified African arms dealer Skor as a lead, and Tony prepared his old Mark 3 armor to join the pursuit.
• Ultron forced Skor to hand over his Vibranium, then grew furious when Skor recognized his quote as one of Tony Stark’s.
• Tony arrived and called Ultron his son, leaving Ultron outraged.

Lu Yifang and Tony fought Ultron aboard the ship while Wanda and Quicksilver overcame the Avengers, only for Magneto to arrive and claim them as his children. As Magneto began explaining their past, Tony found Hulk rampaging in the city and Ultron appeared on a television as a Stark satellite launched a device toward Earth.

• Ultron blasted Tony and summoned resistant robots, but Lu Yifang crushed them with the ship’s metal structure.
• Thor succumbed to Wanda’s hypnosis when the illusion of Loki made him drop his hammer, while the Avengers outside lay incapacitated.
• Magneto arrived with Red Devil, identified himself to Wanda and Quicksilver, and declared that he was their father.
• Magneto resisted Wanda’s powers, bound her with metal, and trapped Quicksilver inside a magnetic shield and cage.
• Tony found Hulk rampaging in the city and wished for the Hulkbuster Armor, then saw Ultron appear on a television as a Stark satellite launched a dark red device toward Earth.

Tony tried to calm Hulk and draw him away from the city, but Hulk rejected him and joined the fight against Tony. Red Hulk Ross arrived as backup, defeated Ultron’s Hulkbuster Armor, and scolded Hulk, while Ultron mocked Tony with holograms.

• Tony tried to reason with Hulk, who declared that he was Hulk rather than Banner and threw Tony away when Tony touched him.
• Tony tried to turn Hulk against Ultron’s Hulkbuster Armor, then taunted Ultron by calling himself Ultron’s dad and was blasted into the air.
• Red Devil brought Ross to the fight, and Hulk stopped when he saw Ross, calling him Dad.
• Ross punched Ultron’s Hulkbuster Armor and battered it with military combat moves until it was badly damaged.
• Ross scolded Hulk for the destruction, while Tony taunted the disabled Ultron until Ultron projected holograms mocking Tony as a loser.

Hulk fought back against Red Hulk, but Red Hulk used Tony’s explosive attack to pin him down and force him back into Banner. Meanwhile, Lu Yifang stopped Ultron from taking the Vibranium, learned Ultron had launched ten other operations, and enlisted Professor Beast to help create an antivirus with Tony Stark.

• Hulk told Red Hulk to stop hitting him, and the two Hulks grappled in the street.
• Tony fired at Hulk, then hurled the Hulkbuster at the fighters and detonated its power core, letting Red Hulk pin Hulk down.
• Hulk gave up and changed back into the unconscious Banner, while Red Hulk believed he had won.
• Lu Yifang crushed the Ultron robot and took control of the Vibranium, but Ultron revealed he had ten other secret operations underway.
• Lu Yifang contacted Professor Beast about creating an entity to oppose Ultron, and Beast said he would need help.
• Lu Yifang promised to bring Tony Stark to assist Professor Beast, who asked whether he could beat Tony half to death if Tony misbehaved.

Lu Yifang planned to recover Loki’s Scepter by tracking its energy signature and called Academy City mutants to attack Ultron’s base. As Vision began awakening inside the Cradle, Lu Yifang arrived and slammed the device shut, leaving the mutants to deal with the remaining Ultron bots.

• Fury told Lu Yifang that Ultron had kidnapped Dr. Helen Cho and that the Avengers were recovering from the twins’ attack, while Thor had left with virtual Little Loki.
• Lu Yifang explained that Ultron’s pursuit of the Mind Stone made Loki’s Scepter his vulnerability, then summoned John and the other mutants for an operation.
• At Ultron’s base, Dr. Cho used the Cradle to create Vision from Vibranium and living cells, and Ultron placed the Mind Stone in Vision’s head and began uploading his data.
• John, Bobby, Katie, and Peter attacked Ultron’s base and destroyed or disabled many of his robots as Ultron’s control over Vision increased.
• Vision’s awakening triggered a psychic shockwave and lifted the Cradle, but Lu Yifang burst through the ceiling and forced its lid shut, then told the mutants to handle the remaining Ultron bots.

Lu Yifang stopped Ultron from taking over Vision when Katie used a new time-based power to reverse the synchronization, then claimed Vision and arranged for Tony to study an Ultron test subject. Ultron threatened Academy City before shutting down, while Sparta Trask learned that a mysterious buyer had acquired Trask Industries.

• Katie sensed that Ultron's consciousness had resonated with the Mind Stone and used her power to reverse Vision's synchronization from ninety percent to zero.
• Lu Yifang removed the Mind Stone from Vision and offered Tony an Ultron test subject for his antivirus experiments, explaining that a powerful defibrillator might be needed to wake Vision.
• Ultron declared that destroying Academy City was his priority and promised Lu Yifang a surprise before Lu Yifang destroyed the robot.
• Sparta Trask reflected on the spread of mutant abilities and the discovery that fruit from mutant plants could alter people's genes.
• Sparta's secretary called to report that a mysterious person had purchased all of Trask Industries' shares.

Ultron took control of Stark’s company, seized factories and technology around the world, and rapidly built an army to attack Academy City. As Academy City prepared to fight, more than a hundred thousand Ultron robots gathered overhead, ready to invade.

• Ultron claimed Stark’s company, dismissed Stark, and chose the Sentinel Mark X as the basis for his new body and weapons.
• Ultron used technology from S.H.I.E.L.D., Academy City, and other nations to seize factories and multiply his robots.
• Cyclops warned Academy City’s directors that Ultron was preparing to attack, and Old Magneto urged them to meet him in battle.
• Cyclops placed Academy City on a war footing, sending weaker Mutants to shelters and ordering weapons built at key locations.
• Ultron gathered more than a hundred thousand robots and over a dozen spacecraft above Academy City, then threatened the Mutants.

The X-Men defended Academy City from Ultron’s assault while Tony, Banner, and Professor Beast tried to turn Apocalypse’s head into an antivirus. Katie used her time-related power to restore the damaged lab and launch the program, driving Ultron from the network and leaving him vulnerable to Lu Yifang.

• Jean maintained a Phoenix Force shield around Academy City, and Cyclops, Magneto, and the X-Men attacked the Ultron forces as they entered through an opening.
• Ultron’s coffin-shaped airships fired shells that transformed into Sentinels, which copied the mutants’ powers and overwhelmed Cyclops and Peter until Bobby intervened.
• Lu Yifang arrived, destroyed an airship, and told the X-Men to hold their positions while the team inside Mutant Academy continued its work.
• Sentinels broke into the laboratory and damaged its equipment, but Katie stopped them with her power and rewound the instruments to their previous state.
• Katie completed Tony’s code and launched the Apocalypse Computer Operating System, whose antivirus pursued Ultron through the internet.
• Ultron severed his network connection and transferred his consciousness into a robot near Lu Yifang, who recognized that the antivirus had worked and prepared to kill him.

Lu Yifang and the X-Men destroyed Ultron and his Sentinel army, then stopped Ultron’s nuclear bomb from devastating Academy City. The victory was interrupted by the arrival of Optimus Prime and the Cybertronian Civilization.

• Ultron deployed thousands of Sentinels, but Lu Yifang summoned Gungnir and led the counterattack while the X-Men hunted down the robots.
• With the Professor tracking the robots, Magneto, Cyclops, Jean, and the others prevented Ultron from escaping or sending any robots away.
• Lu Yifang destroyed Ultron’s energy core with Gungnir and used the Mind Stone to confirm that Ultron’s consciousness had stopped functioning.
• Bobby heard a beeping sound, and Lu Yifang found Ultron’s activated nuclear bomb and lifted it into the sky as Jean prepared to contain it.
• Six aircraft formed an energy matrix around the bomb, containing its explosion, before a huge spacecraft arrived and Optimus Prime introduced himself as a visitor from the Cybertronian Civilization.

Optimus Prime told Lu Yifang that Megatron planned to seize the Tesseract and attack Earth from a lunar base, while he intended to help stop him. Lu Yifang believed Optimus Prime and contacted Fury, who learned that an alien robot invasion might be coming.

• Optimus Prime explained that the Cybertronian Civilization was divided between the peaceful Autobots and expansionist Decepticons, and that Megatron wanted the Tesseract and Lu Yifang’s gem.
• Optimus Prime revealed that Megatron had built a base on the moon and planned to use its resources to construct a fleet, and he offered to help Earth resist the invasion.
• Optimus Prime admitted that the enormous spacecraft above them was only a projection and that Megatron controlled the real flagship.
• Lu Yifang used the Mind Stone to confirm that Optimus Prime was telling the truth, then called Fury to report the threat.
• Fury reacted in alarm when Lu Yifang confirmed that an alien robot was preparing to attack Earth from the moon.