Steve Rogers. Tony Stark. Thor Odinson. The Big Three are reunited at last—and just in time to save the world from 2,000-foot-tall space gods known as the Celestials! Behold the coming of the Final Host. But who will answer the call as a new team of Avengers assembles? Writer Jason Aaron and artists Ed McGuinness, Paco Medina, David Curiel and more, plunge Earth’s Mightiest into an all-new era!