The World loves the X-Men but the Government don’t but Dr. Nathaniel Essex was a brilliant Victorian era scientist who was obsessed with deterministic interpretations of natural evolution, predicting the emergence of mutants in the near future. Essex's intellect caught the attention of Apocalypse, a powerful mutant, the very embodiment of Essex's predictions. Apocalypse genetically mutated Essex, transforming him into his first prelate, known as Mister Sinister. He became determined to reach Dominion status and thus escape the bounds of time itself and Apocalypse sends him To kill The X-Men
