Three escaped criminals from the planet Krypton test the Man of Steel's mettle. Led by Gen. Zod, the Kryptonians take control of the White House and partner with Lex Luthor to destroy Superman and rule the world. But Superman, who attempts to make himself human in order to get closer to Lois, realizes he has a responsibility to save the planet.
Superman returns to discover his 5-year absence has allowed Lex Luthor to walk free, and that those he was closest to felt abandoned and have moved on. Luthor plots his ultimate revenge that could see millions killed and change the face of the planet forever, as well as ridding himself of the Man of Steel.
Aiming to defeat the Man of Steel, wealthy executive Ross Webster hires bumbling but brilliant Gus Gorman to develop synthetic kryptonite, which yields some unexpected psychological effects in the third installment of the 1980s Superman franchise. Between rekindling romance with his high school sweetheart and saving himself, Superman must contend with a powerful supercomputer.
A young boy learns that he has extraordinary powers and is not of this earth. As a young man, he journeys to discover where he came from and what he was sent here to do. But the hero in him must emerge if he is to save the world from annihilation and become the symbol of hope for all mankind.
With global superpowers engaged in an increasingly hostile arms race, Superman leads a crusade to rid the world of nuclear weapons. But Lex Luthor, recently sprung from jail, is declaring war on the Man of Steel and his quest to save the planet. Using a strand of Superman's hair, Luthor synthesizes a powerful ally known as Nuclear Man and ignites an epic battle spanning Earth and space.
A heroic version of Lex Luthor from an alternate universe appears to recruit the Justice League to help save his Earth from the Crime Syndicate, an evil version of the League. What ensues is the ultimate battle of good versus evil in a war that threatens both planets and, through a devious plan launched by Batman's counterpart Owlman, puts the balance of all existence in peril.
The Dark Knight of Gotham City begins his war on crime with his first major enemy being the clownishly homicidal Joker, who has seized control of Gotham's underworld.
Having defeated the Joker, Batman now faces the Penguin - a warped and deformed individual who is intent on being accepted into Gotham society. Crooked businessman Max Schreck is coerced into helping him become Mayor of Gotham and they both attempt to expose Batman in a different light. Selina Kyle, Max's secretary, is thrown from the top of a building and is transformed into Catwoman - a mysterious figure who has the same personality disorder as Batman. Batman must attempt to clear his name, all the time deciding just what must be done with the Catwoman.