- Primary Subject: Spider-Man: Brand New Day
- Key Update: Recent reports suggest the film will introduce mutant themes to the MCU, with Tramell Tillman rumored as anti-mutant leader William Metzger and Sadie Sink as Jean Grey.
- Status: Leaked Character Roles
- Last Verified: February 19, 2026
- Quick Answer: Spider-Man: Brand New Day arrives July 31, 2026, reportedly featuring Sadie Sink as Jean Grey and Tramell Tillman as an anti-mutant Department of Damage Control leader.
Several theories are swirling around the upcoming MCU film, Spider-Man: Brand New Day, including the potential introduction of Marvel’s anti-mutant conflict.
With Tramell Tillman possibly playing an anti-mutant character, and Sadie Sink rumored to take on the role of Jean Grey/Phoenix, this first Marvel film of 2026 is shaping up to be a major launchpad for the MCU X-Men.
So, will all of this really happen? Explore the possibilities below.
Will Tramell Tillman Head the DODC in Spider-Man: Brand New Day?
Tramell Tillman is confirmed to join the cast of Spider-Man: Brand New Day, though his role has not yet been revealed.
Rumors suggest he may portray the obscure Marvel character William Metzger, known in the comics X-Men: Children of the Atom, as an anti-mutant activist.
In the miniseries, Metzger and his anti-mutant militia terrorized the X-Men, retelling their early experiences before the team was formally led by Charles Xavier/Professor X.
However, in Brand New Day, Metzger is said to take on a different role as the head of the Department of Damage Control (DODC), which reportedly shares his comics character’s anti-mutant ideology.
With speculation that Sadie Sink will play Jean Grey, fans are theorizing that the film could connect the MCU Multiverse Saga while setting the stage for the next chapter: the Mutant Saga.
Knowing Jean Grey is an Omega-level mutant, the DODC may prioritize targeting her, potentially making her the central focus of their operations.
Will Sadie Sink Play Jean Grey in Spider-Man: Brand New Day?
Ever since Sadie Sink was announced as part of Spider-Man: Brand New Day, rumors have it that she might play Black Cat, Mary Jane Watson, Moonstone, or Madelyne Pryor.
However, one of the most prominent theories is that she will introduce a major X-Men member to the MCU: Jean Grey.
With the inclusion of the DODC, who previously targeted Kamala Khan (Iman Vellani) in Ms. Marvel and Simon (Yahya Abdul-Mateen II) in Wonder Man, it’s possible Sink’s character could be on the run from the organization, especially if she possesses mutant powers.
If Sink does indeed play Jean Grey, this would confirm her mutant status and make her a prime target for the DODC.
Also, considering the organization’s introduction in Spider-Man: Homecoming, it’s also plausible that they could target Spider-Man (Tom Holland), potentially trying to turn him into an asset.
This setup could lead to a thrilling dynamic between Spider-Man and Jean Grey, running from the DODC and forcing the two to work together to survive. If this plays out, it would make Sink’s MCU debut both action-packed and perfectly timed.
Fans will soon find out if these theories are true when Spider-Man: Brand New Day hits theaters on July 31, 2026.
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