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.
- Genre: Action, Adventure, Science Fiction
- Studio: Warner Bros. Pictures, Cannon Group, London-Cannon Films, Golan-Globus Productions
- Keyword: saving the world, mountain, nuclear missile, us army, alter ego, sequel, superhero, laboratory, convertible, super power, catholic school, newspaper editor, nuclear weapons, disarmament, volcanic eruption, great wall of china, superhuman strength
- Cast: Christopher Reeve, Margot Kidder, Gene Hackman, Jackie Cooper, Marc McClure, Jon Cryer