Three Kryptonian criminals, General Zod, Ursa, and Non, escape the Phantom Zone after a nuclear explosion in space. They seek to conquer Earth, while Superman navigates his love for Lois Lane, who discovers his true identity. Meanwhile, Lex Luthor, fresh from prison, joins forces with the trio to destroy Superman.

Superman II
As Superman's search for love with Lois Lane intensifies, he makes the difficult decision to give up his extraordinary powers, unaware that his actions have inadvertently set three Kryptonian villains free, who are now wreaking havoc on Earth.