Something in Clark's past has come back to haunt him. Before Krypton's destruction, Zod, along with his wife Ursa and their ally Non, revolted against the tyrannical government of their planet. However, they quickly transformed into ruthless would-be dictators driven by a thirst for power. Following a disastrous uprising orchestrated by Zod, the authorities condemn the trio to death. Nevertheless, Jor-El, Superman's father, intervenes, urging the government to reduce their punishment to imprisonment in the Phantom Zone, a proposal accepted on the condition that he would take on the role of their warden. Now haven been set free from the Phantom Zone, Zod trespasses on Earth; threatening to wipe out the entire human race.
