This unstoppable monster is the only foe to ever kill superman. The result of alien genetic engineering hundred of thousands of years ago, it was created in the quest to produce the ultimate creature. Eventually, the creature evolved to the point where it became strong enough to kill its creator. Escaping Krypton, it decimated countless worlds before being banished to Earth. Join WatchMojo.com, as we explore the comic book origins of Doomsday.
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