Sadie Sink Opens Up About Keeping Her Spider-Man: Brand New Day Role Secret for Over a Year

Sadie Sink has finally shared what it was like keeping one of Marvel Studios’ biggest casting secrets under wraps. Following the world premiere of Spider-Man: Brand New Day, the Stranger Things actress revealed that she spent more than a year protecting the identity of her character before the film officially reached audiences. Speaking exclusively to PEOPLE, Sink admitted that staying silent wasn’t particularly difficult despite the enormous fan interest surrounding the project. Her comments offer a behind-the-scenes look at Marvel’s…