Mortal Kombat vs. DC Universe is a crossover fighting game between Mortal Kombat and the DC Comics fictional universe, developed by Midway Games and Warner Bros. Games.

The game takes place after Raiden, Earthrealm's god of Thunder, and Superman, protector of Earth, repel invasions from both their worlds. An attack by both Raiden and Superman simultaneously in their separate universes causes the merging of the Mortal Kombat and DC villains, Shao Kahn and Darkseid, resulting in the creation