Superman: Earth One its collapse. Zod addresses the United Nations, stating that the House of El caused the planet Krypton to explode, and that Superman is a threat. Zod persuades the delegates that he is an ally and wants to help them kill Superman. Lois receives a phone call from her uncle and learns that Zod is responsible for the bridge's collapse, after which she tries to warn Superman. Zod reveals that he possesses a supply of kryptonite in his ship, from whose radiation his lead-lined skin-suit protects him. He intends to kill Superman, but Superman uses his knowledge of chemistry to cause
Superman: Doomsday entirely. Aspects of these characters were combined to form the clone Superman (Superboy was a clone, the Eradicator killed criminals, and Cyborg Superman was a villain who pretended to be the real Superman). Also, while starting up the helicopter on the "Daily Planet" roof, Lois tells Jimmy that she was an "air force brat" (while in the comics her father, General Sam Lane, was in the army). Martha Kent is depicted as a widow in the film, whereas in the comics, Jonathan Kent is alive and would possibly play a key part in bringing Superman back from the afterlife. In