From must-haves like Magneto to more out-of-the-box choices like the Shadow King, these villains would be perfect to oppose ...

The MCU's X-Men reboot is rumored to introduce Mr. Sinister, and they need to cast the actor who almost played him in a prior ...

Though this is still likely subject to change, we're hearing that Mr. Sinister is still the main villain in the most recent ...

The X-Men are finally on their way to the Marvel Cinematic Universe, and it seems that a sinister force, literally, is set to greet them. After years of speculation, teases, and scattered hints ...

Sabretooth got enmeshed with the X-Men because of Wolverine and Mister Sinister, often attacking the team alongside the Marauders. Later, Sabretooth would be imprisoned by the X-Men as they tried ...

Ewing and Carmen Carnero from Marvel Comics doesn't just mean the return of Mister Sinister but also his glorious monologues as he explains his entire scheme just for the sheer hell of it.

(Image Source: Marvel / Phil Noto) Straczynski added that Spider-Man vs. The Sinister Sixteen was probably “the most fun book to write” of the series. “Given the mandate of this book ...

Spoilers, spoilers, spoilers for Aliens Vs Avengers #3 by Jonathan Hickman and Esad Ribic, out today from Marvel Comics. And how. It's not just the return of Bar Sinister, or a retelling tie-in ...