A mind-bending X-Men tale from the brains of Peter Milligan (X-Statix, Shade the Changing Man) and Wilfredo Torres (Moon Knight, Black Panther)! David Haller, the son of Professor Charles Xavier, has always had trouble containing the multiple personalities in his mind. And with each personality, comes a wild and dangerous mutant power. But now, a terrifying new personality is threatening to absorb these powers and take over David's mind and body. In a desperate attempt to save himself, David seeks out the help of renowned young psychotherapist Hannah Jones to delve into his fractured mind and fight back this dark personality. But unknown to Legion... Dr. Jones brings her own demons with her... Collecting: Legion 1-5