Secret Wars

A cosmic entity, the Beyonder, becomes fascinated with Earth's superheroes in the mainstream Marvel universe. He creates "Battleworld," a planet in a distant galaxy, and stocks it with weapons and technology. He teleports groups of heroes and supervillains against their will to Battleworld, declaring: "I am from beyond! Slay your enemies and all that you desire shall be yours! Nothing you dream of is impossible for me to accomplish!