The world-destroying Phoenix Force is back—and while the Avengers are intent on stopping it, Cyclops and his X-Men have other ideas. To Captain America, the Phoenix threatens doom. To Cyclops, it could mean salvation. Marvel's two greatest leaders wage war, with the Phoenix's chosen host—Hope Summers—caught in the middle. How far are both sides willing to go? The answer lies in a battle so big no one world could contain it...and a shocking ending that neither team could have seen coming! marvel's top writers and artists present a spacefaring, world-changing epic—the culmination of a decade's worth of incredible event storytelling.