An old enemy shows up at the X-Men's door, seeking asylum from an ancient evil come back to earth. Meanwhile, Jubilee has come home, and she's brought with her an orphaned baby who might hold the key to the earth's survival...or its destruction.
Legion, the most powerful and unstable mutant in the world, and son to Professor Charles Xavier, has killed gods and reshaped the face of the universe. NOW! in the aftermath of Avengers vs. X-Men, Legion will finally attempt to conquer his demons.
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!