Who does Sadie Sink play in Spider-Man: Brand New Day?

The biggest question surrounding Spider-Man: Brand New Day is a simple one: Who is Sadie Sink playing?SEE ALSO:Spider-Man: Brand New Day' review: More like 'Déjà Vu'?
Ever since Sink's casting was announced in 2025, fans have clamored to know what role she'd have in the MCU. Was she Gwen Stacy? Jean Grey? Rachel Summers? Marvel certainly wasn't telling. Trailers revealed precious little of Sink's performance, while Sink herself deftly parried any questions about her character throu