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
Publication history of Superman Superman encountered a fictional cartoonist provided a tongue-in-cheek look at how such work was delegated. The story, which purported on the title page to tell "how comic strips are written and drawn", showed a studio filled with "artists -- stacks of them -- figure men, background specialists, inkers, letterers" as well as script-writers, all devoted to the production of stories about a Superman-like character, while the original creator of the strip was to Superman's consternation kept busy answering his fan mail ("King of the Comic Books", Superman no. 25, 1943). In the early stories, Superman is the only science-fiction element.