Marvel Cast Adam Driver as Mister Sinister
The actor will portray the classic villain Nathaniel Millbury in the upcoming MCU X-Men reboot.
Updated on Oct. 14, 2026 in Action/Adventure
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Marvel Studios has cast Adam Driver as the character Mister Sinister for its upcoming X-Men reboot. The project is currently scheduled for a theatrical release on May 5, 2028.
Why it matters
The casting confirms that the iconic villain, also known as Nathaniel Millbury, is finally entering the Marvel Cinematic Universe after years of development hurdles at 20th Century Fox.
The upcoming X-Men film, directed by Jake Schreier, is scheduled for theatrical release on May 5, 2028.
The players
Adam Driver
He is an Academy Award-nominated actor known for his roles in the Star Wars sequel trilogy and Marriage Story.
Jon Hamm
He is an Emmy-winning actor best known for his portrayal of Don Draper in the critically acclaimed television series Mad Men.
Jake Schreier
He is a filmmaker who has directed music videos and feature films including Robot & Frank and Paper Towns.
Marvel Studios
This American film production company is the primary developer of the Marvel Cinematic Universe franchise.
Simon Kinberg
He is a writer, director, and producer who served as a key creative figure for the 20th Century Fox X-Men franchise.
The details
The character Mister Sinister was previously tied to Jon Hamm during the era of 20th Century Fox before the Disney merger led to the cancellation of those plans. Writers Joanna Calo and Lee Sung Jin have drafted the script for the reboot, which also stars actors such as Sadie Sink and Christopher Abbott.
Timeline
May 2020: Simon Kinberg revealed Sinister was intended for a scrapped Gambit film.
August 2020: Josh Boone confirmed studio executives prohibited the character's use in The New Mutants.
May 5, 2028: The X-Men reboot is scheduled to open in theaters.
Industry Dynamics
This casting signals the conclusion of a complex transition period for the X-Men franchise following the Disney and Fox merger. It highlights how Marvel Studios is systematically reincorporating long-stalled characters into the larger MCU framework.
Fans can look forward to seeing the character on the big screen when the reboot hits theaters in 2028. This move clarifies the casting direction for the upcoming franchise expansion.
The takeaway
This casting confirms that Marvel is moving forward with the X-Men reboot after years of development delays. Audiences can expect a new vision for these classic characters as they are integrated into the current cinematic landscape.
What happens next
The X-Men reboot is scheduled to open in theaters on May 5, 2028.
Further reading
Find more updates on the Action/Adventure section.
Source note: This article includes information reported by ScreenRant.
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