Warning: Contains SPOILERS forExceptional X-Men (2024)
After the fall of Krakoa, one prominentX-Menvillain slipped away from disaster to hide in the shadows, until now. Soon, one of the Krakoa Saga’s most complex figures, Mister Sinister, will return with a new face and name, but with all the same mutant machinations he’s infamous for. Unfortunately, for one of Kate Pryde and Emma Frost’s students, it may be too late to learn the truth.
Exceptional X-Men #7marks the return of Mister Sinister, the master of mutant genetics and experimentation. The last the mad scientist was seen, Krakoa was under assault by his far-future alternate self andthe forces of Orchis.

Cover Artist:
Carmen Carnero
With Charles Xavier on the run, Emma Frost and Kitty Pryde reckon with their own dreams and fears for the future of mutantkind. Axo feels pushed away from the team and pulled closer and closer to charismatic technologist Sheldon Xenos. But is Xenos who he claims to be? (Spoiler: He is not!)
In the end, Sinister successfully evaded capture before being able to pay for his greater crimes. Now, the scientist has returned and has his sights set on one of theExceptional X-Men’snew proteges, as he hopes to turn them into his next apprentice, or experiment.

Mister Sinister Makes His Inevitable Return To X-Men Comics, Following Up On His Impactful Krakoan Era Arc
Will Sinister Be A Major Player Once More?
Mister Sinister has had a particularly complicated relationship with the X-Men and mutantkind within the last few years. When the mutant nation was first founded, Sinister became a crucial member of the Quiet Council and thebackbone of Krakoa’s Resurrection Protocols. However, he later revealed his true colors after exacting a horrific plot to create a living time machine out ofclones of Moira MacTaggert. Meanwhile, Enigma, a far-future version of Essex and his various incarnations, waged a reality-ending war against the X-Men, allowing the human supremacists to evade capture.
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As with many ofthe X-Men’s biggest players,it seems that Sinister survived the fall of the mutant nation and is back with a new plot for power.It’s hard to say where Sinister is at right now. The last he was seen, Sinister had turned himself into a near Omega-level mutant chimera and had amassed a collection of every Krakoan’s DNA. While he may not have access to his Krakoan laboratories anymore, he is still a potent amalgamate of mutations, including the powers of Cypher, Thunderbird, Courier, and possibly Charles Xavier.

Sinister Is a Master of Manipulation, The Perfect Weapon Against Marvel’s Mutants As They Acclimate To Their New Era
The Newest Generation Of X-Men Must Prepare For An Old Threat
Above all else, Mister Sinister is a master at manipulation. Despite centuries of inhumane experimentation, strong human-first rhetoric, and countlessconfrontations with the X-Men, he was still able to convince mutantkind to allow him into their government.Meanwhile, Sinister had been enacting a plot to overtake the Resurrection Protocols for his own purposes, all while the X-Men believed he had changed for the better. Now, one of Marvel’s newest mutants seems to have fallen for Sinister’s rouse as well, although it may not last for long.
Unfortunately for Sinister, Alejandro Luna, aka Axo, has the power to make others nearbyconfess their secrets, vulnerabilities, and deeper feelings. While Mister Sinister is a gifted psychic, Marvel’s young mutants are nothing to scoff at, especially when they’re being personally funded and trained by some of the world’s most renowned mutants. Regardless, if Mister Sinister is back, thenKate Pryde and Emma Frost’sband of youngX-Menhad better prepare,because the mutant mad scientist may have returned with new tricks and more horrific experimentations.

Exceptional X-Men #7will be available on August 22, 2025 from Marvel Comics.
X-Men
The X-Men franchise, created by Stan Lee and Jack Kirby, centers on mutants with extraordinary abilities. Led by the powerful telepath Professor Charles Xavier, they battle discrimination and villainous mutants threatening humanity. The series explores themes of diversity and acceptance through a blend of action, drama, and complex characters, spanning comics, animated series, and blockbuster films.