Collects Astonishing X-Men (2004) #1-12. Joss Whedon and John Cassaday put the astonishing in X-Men! A blockbuster era for Marvel's mutants! Cyclops and Emma Frost re-form the X-Men as the world's greatest super-team, with Wolverine, Kitty Pryde and Beast completing the initial roster. They plan to astonish the world - but when unexpected news about the mutant gene hits the airwaves, will it derail their dreams? As demand for the "mutant cure" reaches near-riot levels, the X-Men go head-to-head with the enigmatic Ord - but a startling surprise awaits them in the heart of their enemy's stronghold! Then, a tragic death at the Xavier Institute reveals a powerful enemy living among the X-Men that they could never have suspected. Reunited with Professor X, the team will face this dangerous new foe in the ruins of Genosha...but secrets from the past might derail the team's future! Plus: The debut of S.W.O.R.D.!