On the eve of Sonic/Mega Man: Worlds Unite comes 'Prisoners of War'! Dr. Wily built his Robot Masters as tools of war-but when war is over, what happens to these mechanical servants? Mega Man has hopes that they can become tools of peace! Of course, not everyone agrees with Mega Man's positive point of view. Will his optimism lead to his destruction? Meanwhile, who is the mysterious Mr. X, and what connection does he have to the past, present and future of Mega Man? This story leads into the next mega cross-title crossover 'Worlds Unite!' so don't miss a moment of the action!