Ultimate X-Men #12-Fine (5.5 – 7)

The conclusion of "Return to Weapon X"! A nuclear launch on the United States has been ordered... World War III is imminent... And the only ones who have a prayer of stopping Armageddon are the X-Men! And while Cyclops, Marvel Girl, Storm, Beast, Iceman, and Colossus battle S.H.I.E.L.D., Wolverine battles the one foe he's never beaten: Sabretooth!