Chapter Summaries

After Leon restored Diana’s family and defeated Ares, Diana thanked him with a kiss and learned he had to leave for her world’s future. She chose to remain on Themyscira and wait for him, asking Hippolyta to tell her more about Zeus.

• Diana reunited tearfully with Hippolyta and Antiope after Leon restored everyone who had died.
• Diana embraced Leon and kissed him after he revealed that the deaths had been an illusion he created.
• Leon told Diana he was leaving to reach the future, and she decided to stay on Themyscira with her family.
• Diana kissed Leon goodbye, and he flew away with the Mark armor.
• Hippolyta asked why Diana had let Leon leave, and Diana asked her mother to tell her more about Zeus.

Leon traveled to 1916 and intervened in the DCEU’s history, destroying and then rebuilding Japan’s main island chain while protecting the surrounding region. He returned to JARVIS and Tony, then jumped forward in time to the arrival of General Zod, hoping to earn Superman’s Life Codex.

• Leon used Super Hearing to assess the DCEU’s wartime situation and decided to help the great Eastern nation.
• Leon sent a modified Super Mark I armor, loaded with technology and an intelligent program, to a sleeping young man in 1916.
• Leon punched Honshu Island, causing it to split, sink, and be devastated by tsunamis and eruptions while his Biological Force Field protected the surrounding seas.
• Leon cooled the erupting magma with Freeze Breath and reshaped Honshu into a new, barren island chain.
• Leon returned to JARVIS and Tony, then traveled through the Superman & Lois world to the DCEU timeline when General Zod arrived on Earth; Tony fell unconscious again.

Leon and Tony arrived in the DCEU at the moment General Zod demanded that Kara Zor-El surrender, and Leon realized they had entered a radically altered timeline. As Leon listened in, Barry Allen discovered that the world’s history had changed and Atlantis had begun a devastating war against America.

• Leon and Tony appeared in a café during General Zod’s global broadcast, where Zod gave Kara Zor-El twenty-four hours to surrender.
• Leon used his heightened senses and recognized that he had landed in the Flash reboot universe, where Kara had come to Earth instead of Clark.
• Leon recalled how Barry Allen’s time travel changed history and realized his own actions in the 1920s had further altered the timeline.
• Barry Allen shouted in Central City as he learned that the First Island Chain had been devastated, an Eastern superpower had united Eurasia, and Lex Luthor had led America to independence.
• Orm launched Atlantis’s war against America with a tsunami along the eastern Pacific coast that killed hundreds of thousands.

After discovering that Kara was being held and experimented on in a LexCorp base, Leon freed her from a lead-lined room under Red Sun lights. Kara, who had lost hope after years of captivity, recognized Leon as Michael and reached toward him as he offered to take her outside.

• Barry told Leon that this world's Barry had died in the war and that his parents had mistaken him for an Atlantean, forcing him into hiding.
• Leon learned that Kara was being held in an underground Washington base beneath LexCorp and saw that her captors had drained her blood for experiments.
• Kara remembered arriving on Earth, being captured, and enduring years of isolation, Red Sun exposure, and repeated blood draws.
• Leon entered the base and shut off the Red Sun lights in Kara's room.
• Leon opened Kara's door and asked whether she wanted to go outside and get some sun, and Kara reached toward him.

Leon rescued Kara from the underground base and told her that Zod had killed her cousin Carl while searching for the Life Codex, which was actually inside Kara. After Leon carried her into the sunlight and her strength returned, Kara’s super-hearing awakened and overwhelmed her.

• Leon carried Kara out of the base and told her that he was from another world, then revealed that Zod had killed Carl for the Life Codex.
• Kara demanded to know how Zod could have encountered Carl, and Leon claimed that Zod was outside Earth and seeking her.
• Armed troops tried to capture them at the base exit, but Leon’s force field stopped their gunfire and his Heat Vision silenced them.
• Leon flew Kara above the clouds, where sunlight restored her strength and transformed her appearance.
• Leon took Kara higher into the exosphere, where her newly awakened super-hearing flooded her with sounds from around the world and left her in pain.

Leon helped Kara awaken her Kryptonian powers, then took her to confront Zod about Kal-El’s death. Kara attacked Zod, while Leon absorbed the Kryptonian warriors and took their ship; Kara was losing to Zod when Leon flew to intervene.

• Leon helped Kara control her newly awakened Super Hearing and taught her to fly with her Biological Force Field.
• Leon took Kara to Zod’s ship, where Zod admitted that Kal-El had died during an attempt to extract the Life Codex from his DNA.
• Zod revealed that the Life Codex was inside Kara and ordered her sacrifice for Krypton, prompting Kara to attack him and drive him into space.
• Leon sealed the ship with his Blacklight virus and absorbed its Kryptonian warriors, increasing the Blacklight Clone’s genetic level.
• Leon took the Kryptonian ship and flew toward Kara and Zod, who had turned the fight around and gained the advantage over Kara.

Kara lost her battle with Zod, but Leon appeared in time to save her and defeat him. After Kara awoke, Zod urged her to rebuild Krypton and then suddenly moved to act.

• Kara repeatedly attacked Zod but was overwhelmed when he struck her in the abdomen and knocked her unconscious.
• As Zod closed in to kill Kara, Leon appeared, snapped his blade, caught Zod’s punch, shattered his hand, and knocked him out.
• Kara awoke beside Leon near the Sun and saw that Zod had been captured and healed.
• Zod told Kara that he regretted Kal-El’s death but still believed she had to rebuild Krypton as her duty.
• Zod suddenly sprang into action and extended a blade from his armored left arm, while Leon noticed his movement and held back.

Kara accidentally killed Zod, then agreed to lend Leon the Life Codex after he explained his plans and proved he could regenerate from death. The chapter left Leon preparing to borrow the Codex, with Kara trusting him despite the danger to her life.

• Kara deflected Zod's attack, causing his blade to pierce his own brain, and watched his body burn in the sun.
• Leon gave Kara a Kryptonian Battle Suit and urged her to find Lex Luthor, the bald man who had imprisoned her.
• Leon told Kara he wanted the Life Codex to study Kryptonian genes and explained that he could regenerate if his experiments went wrong.
• Leon demonstrated his ability by disintegrating himself and then returning to life, astonishing Kara.
• Kara accepted Leon's assurance that he would extract the Life Codex gently and agreed to lend it to him.

Leon returned to Earth with Kara and confronted Lex Luthor, who remained composed despite Kara’s escape and the Kryptonians approaching Earth. Kara confronted Luthor over her imprisonment, and he laughed as he marveled that she had stayed sane and grown more rational after years of isolation.

• Kara told Leon she would accompany him and stop him if he used the Life Codex like Lex Luthor.
• Leon took Kara back to Earth and located Luthor in his office, where concealed lamps were ready to bathe Kryptonians in red sunlight.
• Luthor welcomed Leon and Kara calmly, then told Kara to return to her room and claimed he had been protecting her.
• Kara grabbed Luthor by the collar and accused him of being a liar and schemer who could not win her forgiveness with false kindness.
• Luthor laughed and praised Kara for remaining rational after years of solitary confinement and painful tests.

Kara confronted Lex Luthor, but he weakened her with Red Sun lamps until Leon destroyed the mansion and killed Luthor with a powerful breath. Leon then reunited with Tony, who was examining LuthorCorp files and learned that Kara was Supergirl.

• Kara threatened Lex Luthor, but he activated hidden Red Sun lamps that stripped her of her powers.
• Leon shielded Kara and exhaled a storm that shattered the lamps, destroyed the mansion, and left Luthor as a skeleton.
• Leon took Kara away, and he explained that Luthor’s death could help bring the war between Atlantis and the continent to an end.
• Leon found Tony in Metropolis, where Tony was examining LexCorp files containing genetic data researched from Kara’s blood.
• Leon introduced Kara as Kara Zor-El, also known as Supergirl, and told Tony he had already dealt with the Kryptonians.

Leon and Tony discussed Kara’s arrival on Earth and the Life Codex, which was now inside her. After Tony warned that Leon’s actions in Metropolis had made it unsafe to linger, the trio left for Gotham.

• Tony showed Leon and Kara footage of Kara’s pod landing at a Luthor Family estate and the mercenaries’ bullets failing to pierce her skin.
• Tony explained that he and JARVIS had identified the world as similar to Flashpoint and traced Kara’s arrival to Kansas.
• Leon told Tony that the Life Codex was inside Kara after he rescued her from her enemies.
• Tony suggested they leave because Leon had killed the president in the White House and remained near Metropolis.
• Tony flew off, and Leon and Kara followed him toward Gotham.

Leon and Tony discussed their quiet stay in Gotham before Barry Allen and Bruce Wayne arrived to recruit them into rebuilding the Justice League. Barry revealed that he had changed the timeline by saving his mother, but Leon told him the Kryptonians had already been dealt with and that Clark Kent was dead.

• Leon and Tony watched Gotham and discussed their progress extracting the Life Codex while Tony complained that the peaceful city left him bored.
• Kara told Leon, Tony, and the others that Batman and the Flash had come to see them.
• Barry introduced Bruce Wayne as Batman and said they had discovered that Leon had killed Luthor, but promised they would not report him.
• Barry said he had come from the future and identified Leon as Superman, Kara as Wonder Woman, and Tony as Cyborg.
• Barry explained that saving his mother with the Speed Force had changed the world and urged them to unite against the Kryptonians.
• Leon told Barry that he and Kara had already dealt with the Kryptonians and that Clark was dead, leaving Barry confused.

Bruce urged Barry to return to his parents, and Barry left Gotham to do so. Several days later, Leon and Tony completed their improved Life Codex extraction device and extracted the Codex from Kara, revealing it as a black skull.

• Bruce asked Barry whether he had become Batman in Barry's future and learned that Barry's parents were still alive.
• Bruce told Barry to go home and reunite with his parents, then drove away and left Barry in Gotham.
• Barry decided to return to his parents and used the Speed Force to leave Gotham.
• Leon and Tony finished the Life Codex extraction device several days later and began the procedure on Kara with JARVIS's help.
• Leon and Tony's shockwaves drew golden particles from Kara's cells into a sphere, which vanished to reveal a black skull above her head.

Leon used the Life Codex’s Kryptonian genetic templates to experiment on his own DNA, enduring repeated bodily collapses before raising his genetic level from 1,000 to 1,001. He kept the Codex to continue researching, while Kara chose to leave with him and trusted his promise to help rebuild Krypton.

• Leon examined the Life Codex and used its Kryptonian genetic templates to simulate changes to his own genes.
• Leon’s body repeatedly broke apart and regenerated, alarming Kara and Tony as they searched for a way to help him.
• After hundreds of regenerations, Leon recovered and announced that his genetic level had risen from 1,000 to 1,001.
• Tony scolded Leon for frightening them and left to rest after Leon said he planned to keep researching his genes.
• Leon asked to keep the Life Codex, and Kara agreed, deciding to leave with him and accepting his promise to help rebuild Krypton.

After completing the Life Codex work, Leon left Kara in Gotham and went to Themyscira to honor a promise to Diana, whom he had been away from for ninety years. Diana continued waiting at the cliffs, uncertain whether Leon would arrive that evening.

• Leon and Kara left Tony's World Ring and returned to the hotel in Gotham.
• Leon told Kara he had a promise from ninety years ago and departed alone to see Diana.
• Diana waited on Themyscira's cliffs while Queen Hippolyta urged her to come to dinner.
• Diana insisted Leon had not forgotten her, though her long wait had left her hopeful and resentful.

After ninety years apart, Diana continued waiting for Leon on Themyscira until he returned and caught her as she jumped from a cliff. They reunited passionately, and Leon and Diana spent the night together.

• Diana remembered Leon and waited for him, while Hippolyta warned her not to let her longing become an obsession.
• Diana jumped from the cliff to go fishing after her divine power stunned a vast number of fish.
• Leon appeared and caught Diana in his arms, astonishing Hippolyta.
• Hippolyta left Leon and Diana alone, and Diana kissed Leon while telling him she had known he would return.
• Diana reproached Leon for leaving her waiting for ninety years, and Leon comforted her before they spent the night together.

Leon woke beside Diana after their night together, while Hippolyta kept watch nearby and the Amazons wondered about the island’s tremors. Diana and Leon hurried back toward the buildings, where Diana realized the warriors were discussing the noise they had made, and Leon planned to help her become stronger.

• Hippolyta watched over Leon and Diana after stopping the Amazons from investigating the island’s tremors.
• Leon woke, dressed Diana, and told her Hippolyta had been waiting for them.
• Diana and Leon ran toward the island’s buildings, and Diana tried to sneak back to her room.
• The Amazons discussed the shaking that had lasted for hours, and Diana blushed when she realized it had come from her and Leon.
• Leon reassured Diana that Hippolyta had kept the others away and decided he would take Diana with him to help her grow stronger.

Diana decided to leave Themyscira with Leon, despite her embarrassment over her mother witnessing the night before. Hippolyta accepted Diana’s choice, gave her the Godslayer Sword, and allowed Leon to visit the island freely before the pair departed for the human world.

• Diana panicked when she realized Hippolyta had watched over her and last night’s events, while the Amazon Warriors greeted Leon enthusiastically after he emerged.
• Diana chased the Warriors away from Leon, then followed Hippolyta with him to the temple.
• Hippolyta acknowledged that Diana was determined to leave Themyscira and asked Leon to protect her.
• Hippolyta gave Diana the Godslayer Sword and told her to gather her belongings and show Leon the island.
• Diana toured Themyscira with Leon, shared memories of her childhood, and dined with the Warriors.
• With Hippolyta’s approval and permission for Leon to return, Diana and Leon left Themyscira for the human world.

Leon flew Diana from Themyscira to Gotham, showing her the clouds and the human world along the way. After Kara found them, she told Leon that Tony had been searching for him all night.

• Leon flew slowly with Diana across the Atlantic and showed her how the clouds felt and changed color.
• Leon tried to teach Diana to fly, but she did not learn before they continued to Gotham.
• Leon descended over Gotham with Diana, who marveled at the city and asked whether their future home would be like it.
• Kara met Leon above Gotham and said Tony had been looking for him for an entire day.
• Kara recalled waiting at the hotel for Leon, while Tony dismissed her concern and JARVIS searched unsuccessfully for Leon.

Kara spent the night and following day anxiously waiting for Leon, then saw him return to Gotham carrying and kissing Diana. When Kara confronted him in tears, Diana comforted her and scolded Leon as a bad guy.

• Kara worried through the night and day about Leon's absence, while Tony and JARVIS stopped her from leaving the hotel to search for him.
• Leon finally returned to Gotham with Diana in his arms, and Kara saw Diana kissing him.
• Kara flew to Leon and asked why he had disappeared for an entire day, while tears streamed down her face.
• Diana wiped Kara's cheek, asked what Leon had done to upset her, and offered to scold him with Kara.
• Diana glared at Leon and thought her mother had been right that men were big pig trotters.