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A master of mutation, Mister Sinister has long sought to rule the mutants of the world, and the X-Men have stopped him every time. Now capturing and mutating the X-Men into hideous monsters, Sinister uses the transformed X-Men in his latest plot for world domination. Donning his cyborg armor and leading his mutant monsters into battle, Sinister has everything he needs to achieve his evil goals! Includes Snap-On Cyber Tech Armor!