X-Men: Deadly Genesis

What happens when the skeletons in your closet finally break down the door and come looking for you? The X-Men are about to find out! The mutant community is in turmoil, and the X-Men are bearing the brunt of this New World Order. Amid the chaos, a new enemy awakens, one whose very existence will haunt the founding members of the X-Men like nothing has before. Who is this new threat? How is he tied to a long-hidden episode from Professor X's past? Cyclops, Wolverine and the others must find out soon, before they and those closest to them go mad!

Collecting X-Men: Deadly Genesis #1-6 - written by Ed Brubaker (Uncanny X-Men), and illustrated by Trevor Hairsine (Ultimate Nightmare) and Scott Hanna (Ultimate Spider-Man).