Spider-Man: Brand New Day's Secret Phoenix Saga Setup Explained By Stunt Coordinator

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Sadie Sink officially made her MCU debut as Jean Grey in Spider-Man: Brand New Day, but this was a very different version of the X-Men’s Omega level telepath. This version of Jean started out with the power to possess others, but her abilities evolved dramatically by the end of Brand New Day. Tortured by Damage Control boss Bill Metzger, Jean’s powers expanded to trap a good part of Manhattan in her telepathic (and telekinetic) grip.
Thomas Bacon

Spider-Man: Brand New Day's Secret Phoenix Saga Setup Explained By Stunt Coordinator

Spider-Man: Brand New Day gave Jean Grey a secret Phoenix Saga Easter egg, one that can easily serve as setup for the MCU's Phoenix Saga.

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