Mild-mannered Clark Kent works as a reporter at the Daily Planet alongside his crush, Lois Lane - who's in love with Superman. Clark must summon his superhero alter ego when the nefarious Lex Luthor launches a plan to take over the world.
Set 5 years after the end of Superman II, the film begins when Superman returns to discover his absence allowed Lex Luthor to walk free, and that those he was closest too 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.
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.
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.
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.
An artist, Steve Rogers, is nearly murdered by spies, looking for his late father's national secrets. He is saved during surgery when a secret formula is injected into him; this serum not only heals him but also gives him fantastic strength and lightning reflexes. To help him solve the mystery behind his father’s murder and bring those guilty to justice, a government agency equips him with a special motorcycle loaded with gadgets and an indestructible shield. Now armed, he battles against the nation's enemies as the Sentinel of Liberty, Captain America.
Crimefighting Captain America rights more wrongs by doing battle with a fanatical terrorist who uses his deadly drug that causes accelerated aging to finance his world revolution.