Following an all-out war with Norman Osborn - director of the national peacekeeping organization H.A.M.M.E.R. - and his Dark Avengers, the X-Men left San Francisco. Raising the abandoned Asteroid M from the depths of the Pacific Ocean, the X-Men declared it a haven for mutantkind, an island sanctuary free of Osborn's jurisdiction. But Norman is determined not to let the X-Men slip through is fingers so easily... particularly the two mutants among their number who have betrayed him : Emma Frost and Namor, King of Atlantis. The fallout of UTOPIA begins here. What else could Norman Osborn possibly do to the X-Men? ...CLASSIFIED... Plus, Matt Fraction's first Marvel story featuring the X-Men!
Collected in List.
Translated into Spanish.