Publication history of Superman written by Alan Moore with art by Curt Swan. Although the new Modern Age version of Superman is said to have already been active for many years, most previous Superman appearances and elements were rendered out of continuity by John Byrne's "The Man of Steel". Later stories such as "" bring many of the Silver Age elements back into continuity. In Byrne's version, Superman came from the planet Krypton which was re-imagined as a cold, sterile world in deep contrast to the wonderworld of the past 48 years. Once Kal-El's rocketship (containing genetic materials and a birthing-matrix which resulted in
Superman: Last Stand on Krypton Zod. Zod questions Luthor and finds out Superman is on the planet and Luthor agrees to help him. Zod's robots descend upon the New Kryptonian sanctuary, where the colonists are infected with Kryptonium, a.k.a. the green death. The animals and people in the colony die horribly. Superman pleads with Zod to avoid war, but Zod declines, and hands him over to Luthor. Luthor infects Superman with forms of the green death, which turns him into a brutish being in the process. Superman is thus rendered animalistic and unintelligible, but his motives are still pure. He takes Lois to his father,