Collects Uncanny X-Men #1-4. Earth's mightiest mutants! In the wake of Schism, Cyclops leads a team of X-Men whose express purpose is to deal with extinction-level events. Meet the X-Men's 'Extinction Team': Storm, Emma Frost, Magneto, Namor, Colossus, Danger, Magik and Hope. And not a moment too soon as Mr. Sinsiter returns!