X-Men #21

THE HEROES OF KRAKOA DEBUT! It's a changing if the guard as the first X-Men team of Krakoa debuts! One era ends as a new one begins, and the handoff happens here.

Characters: Betsy Braddock, Black Panther, Cannonball, Captain America, Colossus, Cyclops, Doctor Strange, Emma Frost, Gambit, Human Torch, Iceman, Invisible Woman, Iron Man, Jamie Madrox, Jean Grey, Jubilee, Magneto, Mister Fantastic, Mystique, Namor, Peepers, Polaris, Professor X, Quentin Quire, Rogue, Skin, Storm, Sunfire, Sunspot, Synch, Thor (Marvel), X-23