"Contains material originally published in magazine form as X-Man #53-54, X-Men: Age of Apocalypse #1-6, Exiles #60-61, What if? #77 and #81, What if? X-Men: Age of Apocalypse #1, X-Men: Age of Apocalypse One-Shot, Hulk: Broken Worlds #2, X-Men: Prime, X-Men: Endangered Species, Exiles: Days of Then and Now #1, and Official Handbook of the Marvel Universe: X-Men - Age of Apocalypse 2005." Chiefly illustrations. Rated: T.