See them here, the House Of M versions of the Sub-Mariner…Black Bolt…Sabretooth…and Bucky! Magneto solidifies his power base, forming tenuous alliances with other world leaders, including the Sub-Mariner and Black Bolt! But Professor Xavier objects to some of Magneto's tactics--and especially to his personal assassin, Sabretooth! As the human-mutant war intensifies, will the conflict between Xavier and Magneto destroy the mutant alliance from within? Or will its end come at the hands of S.H.I.E.L.D.'s elite strike force--led by Captain America's former partner, the deadliest man alive...Bucky Barnes?