Peter David reinvents X-Factor — again！ Jamie Madrox has become a private eye。 But with so many of his duplicates out in the world， is an identity crisis imminent？ X-Factor Investigations recruits Guido， Wolfsbane， Siryn， M and Rictor — plus Layla Miller， who knows stuff！ But can the team help mutantkind navigate M-Day and deal with their unbalanced former ally Quicksilver？ X-Factor butts heads with Singularity Investigations， X-Cell， the Isolationist and more。 But what happens when two of Madrox’s dupes want their own lives — and when Jamie and Layla are thrown into the future？ With Mutant Town under siege， Skrulls running rampant， personal problems tearing the team apart and a major change for Siryn， can X-Factor survive？

COLLECTING: Madrox （2004） 1-5; X-Factor （2005） 1-20， 21-24 （A stories）， 25-39; X-Factor: The Quick and the Dead One-Shot （2008）; X-Factor Special: Layla Miller One-Shot （2008）; She-Hulk （2005） 31