Sadie Sink Cast as Jean Grey in Spider-Man: Brand New Day MCU Project

Sadie Sink has been revealed to play Jean Grey in the Marvel Cinematic Universe's upcoming film Spider-Man: Brand New Day. This casting marks a notable expansion of MCU characters, integrating Jean Grey from the X-Men universe following Disney's acquisition of Fox. The development sets the stage for Jean Grey's storyline to evolve within the MCU, potentially influencing future Marvel projects and crossover events.