COVER BY CHRIS BACHALO MARK MILLAR(W)/CHRIS BACHALO (P) The Ultimates vs. the Ultimate X-Men: the battle begins. When the X-Men do the worst thing they could to humanity, the government orders Captain America, Iron Man, Thor and the rest of the Ultimates to bring them down. But Professor X, hasn't been training his students for nothing -- and the young mutants just might take out the Ultimates first. Collecting the incredibly-hot ULTIMATE WAR #1-4
