Superman and Martian Manhunter are investigating an asteroid when they accidentally trigger an explosion knocking both of them out. By the time Hawkgirl and Green Lantern can rescue them, it?s too late, Superman and Martian Manhunter are long gone.

Meanwhile, a slave trader picks up Superman and Martian Manhunter, and bring them to War World, a planet that thrives on the thrill of gladiator combat. Mongul the leader of War World, forces Superman to fight against the current champion Draaga. Meanwhile Martian Manhunter manages to escape from War World?s containment field. Initially, Superman refuses to fight for Mongul?s amusement, but Draaga goads the Man of Steel into attacking. Superman wins the battle, but refuses to kill Draaga. Unwilling to accept his defiance, Mongul sentences them both to death.