Written by CRAIG KYLE & CHRIS YOST Penciled by CLAYTON CRAIN Cover by CLAYTON CRAIN There are lines that the X-Men have sworn never to cross. But after the shocking events of Messiah CompleX, Cyclops realizes that some enemies need to be dealt with permanently - and the X-Men can never know about it. Enter Wolverine, Warpath, X-23 and Wolfsbane - X-Force! Collecting X-FORCE #1-6. 144 PGS.