One of the most famous eras in X-Men history begins - twenty years in the future, ruled by the evil mutant Apocalypse!Charles Xavier is dead — killed twenty years in the past during a time-travel accident — and the world created by his absence is a nightmare! Apocalypse rules with an iron fist, ruthlessly enforcing his dictum that only the strong shall survive. But hidden in the long shadow of En Sabah Nur is a group of ragtag freedom fighters led by Xavier’s oldest friend, Magneto: the X-Men! When Bishop, last survivor of the true Marvel Universe, explains how the world went wrong, these embittered mutants and their tenuous allies must risk everything to put things right!COLLECTING: Uncanny X-Men (1981) 320-321, X-Men (1991) 40-41, Cable (1993) 20, X-Men Alpha, Generation Next 1, Astonishing X-Men (1995) 1, Gambit And The X-Ternals 1, Weapon X (1995) 1, Factor X 1, X-Man 1, X-Calibre 1, Amazing X-Men (1995) 1, X-Men: Age Of Apocalypse Ashcan Edition