Avengers #63

THE BATTLE OF 1,000,000 BC! The Avengers stand face-to-face with their prehistoric counterparts, the Avengers of 1,000,000 BC! But if the two groups cannot work together, they have no hope of defeating Doom Supreme and his marauding band of Multiversal Masters of Evil, who have come to erase all of Marvel history as we know it.

Characters: Agamotto, Brandy Selby, Captain America, Carol Danvers, Echo, Ghost Rider 1,000,000 BC, Iron Fist 1,000,000 BC, Iron Man, Jane Foster, Namor, Nighthawk (Squadron Supreme), Odin, Phoenix 1,000,000 BC, Phoenix Force