CIVIL WAR TIE-IN! Hot on the heals of both smash hits HOUSE OF M and SON OF M, QUICKSILVER returns to X-FACTOR! But is he friend or foe!? Oh, and just so you know, yes, Jamie Madrox and the regular cast of X-FACTOR do appear and they do stuff. Lots of stuff! (Layla knows stuff; X-FACTOR does stuff—get it? Got it? Good)
The Superhuman Registration Act is in place. X-Factor have been warned that Quicksilver may be headed to Mutant Town and should be considered dangerous. Tensions are high and a lot of suspicion is being directed towards Layla Miller. Madrox and Strong Guy check in at the lab for the results of the analysis of the Tryp's skin samples, they're "wierd'. On a whim, Madrox set Siryn on a new line of enquiry in regard to the cause of The Decimation. Siryn's efforts yield immediate results at Spider-Man's expense.