"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 Apocalypse's long shadow are a group of ragtag freedom fighters led by Xavier's oldest friend, Magneto: the X-Men!"-- Amazon.com
X-Men: Age of Apocalypse Series
Enter an alternate reality where mutant history took a drastically different turn. After the tragic fate of Charles Xavier, the mutant overlord Apocalypse seized power, enslaving humanity. The remaining X-Men fight for survival in this dark world, searching for hope in desperate times. This epic saga offers a gritty exploration of heroism against overwhelming odds.


Recommended Reading Order
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 Apocalypse's long shadow are a group of ragtag freedom fighters led by Xavier's oldest friend, Magneto: the X-Men