X-Factor Vol. 4: Heart of Ice
Peter David (Writer); Khoi Pham, Pablo Raimondi (Artists)
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?
X-Factor (3rd series) #18-24
Next issue picks up in X-Men: Messiah Complex TPB