Issue: #4
Caught in the crossfire, Earth has become the staging ground for a conflict of cosmic proportions! The merciless Kree and the shape-changing Skrulls have gone to war and humanity is on the front line. It's Roy Thomas and Neal Adams' classic Kree-Skrull War! Then, every Avenger from day one returns - to battle Ares and the Enchantress! And there's no time wasted upping the ante when the mutant-hunt...
Creators: Roy Thomas, Sal Buscema, Neal Adams, Neal Adams, Steve Englehart, Steve Englehart, Art Adams
Characters: Captain America, Magneto, Quicksilver, Scarlet Witch, Black Panther, Doctor Strange, Hank Pym, Hulk, Iron Man, Wasp, Vision, Ares, Black Widow, Daredevil, Thor, Captain Marvel, Enchantress, Molecule Man, Mantis, Ronan