The X-Men of Apocalypse crash into the mainstream Marvel Universe! A dystopian future created when Charles Xavier was killed, AGE OF APOCALYPSE is home to a war-torn group of X-Men led by Magneto. In order to free their Earth from Apocalypse's cruel reign, they were willing to sacrifice their very existence-or so they thought! The main timeline was restored, Apocalypse was defeated, but their world lived on! Taking place in the direct aftermath of the original crossover's explosive finale, X-MEN OF APOCALYPSE reignites the mission of this iconic reality's X-Men as they journey here to ensure their universe's survival. This desperate mission will take them into the main Marvel Universe, where they will come into conflict with their classic counterparts, forever impacting both team's destinies!