This Spider-Man: Brand New Day Scene Just Confirmed Jean Grey’s MCU Debut

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There has been huge speculation that Jean Grey will be making her first Marvel Cinematic Universe appearance in Spider-Man: Brand New Day, and Marvel Studios might have just confirmed the X-Men hero's debut. Scheduled to hit theaters on July 31, 2026, Spider-Man: Brand New Day is one of Marvel's most highly anticipated movies ever, thanks in part to its epic roster of heroes and villains. A surprising new hero could be joining Spider-Man, the Punisher, the Hulk, and more, however.