20th Century Fox has tapped Richard E. Grant ("Jekyll & Hyde," "Downton Abbey") to star in "Wolverine 3," in an unspecified role.

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According to The Hollywood Reporter, Grant's character is described as a "mad-scientist type."

Mad-scientist, eh? Could we have renowned geneticist and '80s X-villain extraordinaire Mr. Sinister on our hands?

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Directed by James Mangold, and starring Hugh Jackman and Patrick Stewart, "Wolverine 3" hits theaters on March 3, 2017.