The X-Men have one of the best rogues galleries in Marvel Comics history, but some of their very best foes are also some of their most obscure.

Though Magneto has been on the side of good for many years now, many fans believe that the Master of Magnetism is better as ...

How the MCU explains their lack of presence so far will surely be interesting, and there is one character who can surprisingly explain this. Mister Sinister is one of the biggest X-Men villains ...