Madrox, Strong guy, Quicksilver and the rest face crises of diplomacy, deception and death while protecting humans from mutants and vice versa.

With Mutant Town under siege and the X-Cell having taken refuge there, X-Factor races both the clock and their own divided allegiances as they try to stave off the very real possibility of every former mutant being rounded up and imprisoned as a potential terrorist. But will they have to reveal their knowledge of M-Day's secret... and, if so, what will the fallout be? Collects X-Factor #18-24.

Collects All-New X-Factor (2014) #1-6. X-Factor is back...like never before! Serval Industries, one of the world's most trusted names in electronics and a leader in cutting-edge internet and weapons technology, has just unveiled their newest contribution to society...the All-New XFactor! Led by mutant mistress of magnetism, Polaris, the team uses its corporate backing for the betterment of society. But with her half-brother Quicksilver, notorious thief Gambit and more by her side, can Polaris trust that her corporate masters really have good intentions? Especially when X-Factor is meant to help people, but one of their own has a dark secret?! (Hint: it's Gambit.) Be here as the team takes on their former frenemy, Danger, learns the sinister secret of Techno, Inc., and more! Experience the All-New X-Factor...brought to you by Serval Industries!

The members of X-Factor - - Cyclops, Jean Grey, Iceman, Beast, and Archangel -- are professionals through and through. But when the likes of Sabretooth, a cadre of vampires, and a threat from an alternate dystopian future wage war against our heroes, it's no big surprise that things tend to get a little out of control even for them! COLLECTING: X-FACTOR (1986) 51-59, ANNUAL 4-5; X-FACTOR: PRISONER OF LOVE; MARVEL FANFARE (1982) 50; MATERIAL FROM FANTASTIC FOUR ANNUAL 23, NEW MUTANTS ANNUAL 6, X-MEN ANNU&AL (1970) 14

The divisiveness of the MU Civil War has spread to Jamie Madrox's X-Factor team.

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

The X-Men fight crime and battle evil.