The mysterious Mister Sinister has been among the X-Men's most prominent foes for decades, and will soon become the "Big Bad" of X-Men '97.

Mister Sinister opens up a lot of possibilities for the X-Men franchise, in terms of his connections to the past, present, and future. Even after 18 years, it seems like these films are just ...

Mister Sinister’s latest escapades are documented in the releases of Immortal X-Men #3 and X-Men #12. Videos by ComicBook.com WARNING: Spoilers for Immortal X-Men #3 and X-Men #12 follow.

Because, of course, Mister Sinister is the hero of his story. And he wants to stop the Dominions. In 2019's Powers Of X #5 we learned the true nature of black holes in the Marvel Universe.

Mister Sinister is a scientist. Born in the early 19th century, Nathaniel Essex was a biologist working around the time that Charles Darwin began spreading around his theories about evolution ...

X-Men #1 1963) And all so Mister Sinister save the world… for dessert. SINS OF SINISTER #1 MARVEL COMICS NOV220792 (W) Kieron Gillen (A) Lucas Werneck, Various (CA) Leinil Yu ...

It might be time for Marvel fans to start rethinking their expectations for the X-Men 's MCU debut. A new rumor is shaking ...

In the main Marvel continuity, Mister Sinister is all about experimentation, seeking absolute perfection via evolution.As such, the fact that he's on the side of the Xenomorphs and now wants to ...

Mister Sinister has been a thorn in the side of the X-Men in the comics since 1987. We learned in the comics that he manipulated the gene pool of the Summers family for generations, particularly ...

At the end of X-Men: Apocalypse, fans learned that one of the biggest baddies at Marvel Comics might be heading to franchise. The post-credit scene teased the introduction of Nathaniel Essex who ...