Joining together the teams from ASTONISHING X-MEN, AGE OF APOCALYPSE and X-TREME X-MEN, and spinning out of the pages of UNCANNY X-FORCE comes the X-Event of the year! AOA Nightcrawler just wants to get home, and he'll do whatever it takes to get there. With the fabric of reality at stake, Wolverine calls in a team to confront the doppelganger of their dead friend. But are they ready to do what's necessary?