Secret Wars #6 Mr. Fantastic & Ultron
As Galactus assembles the vast machine that will eventually consume Battleworld and all that exist on its surface, Mr. Fantastic and the other heroes lay their plans. The leader of the Fantastic Four knows more about Galactus than any man alive, and his advice on the coming battle is priceless. Back in Doombase, Ultron stands guard over his master’s interests while the other villains go about their assigned tasks.