Collects Astonishing X-Men (2004) #52-56 & Astonishing X-Men Annual #1. It's the explosive aftermath to the year's most talked about wedding! The X-Men are on the run, and Northstar accepts a deadly assignment. Meanwhile, newlywed Kyle learns the hard way that marrying Northstar also meant marrying his family. And in this case, that means the X-Men! Meanwhile, Susan Hatchi reveals her connection to the X-Men. How long can the team survive with her nanobombs circulating through their bloodstreams? As Hatchitech weapons start showing up around the globe, and civilians are caught in the crossfire, the X-Men must make a decision...take down Hatchi or save their teammate Karma!