Sadie Sink Joins Spider-Man: Brand New Day Filming in MCU

Filming for Spider-Man: Brand New Day is underway, with Tom Holland reprising his role as Peter Parker/Spider-Man and Sadie Sink joining the cast in a mysterious role that has sparked much speculation. Sink's character is described as a sharp, free-spirited woman with a mysterious past, and she was spotted on set wearing camo-style pants and military boots, though her full costume remains hidden, fueling fan theories ranging from her portraying Jean Grey, Mary Jane Watson, Gwen Stacy, Firestar, or a new character possibly connected to Frank Castle or the supernatural. The film will also feature Mark Ruffalo as Bruce Banner/The Hulk, Jon Bernthal as Frank Castle, and other returning and new cast members. Directed by Destin Daniel Cretton and written by Chris McKenna and Erik Sommers, the movie explores Peter Parker balancing his normal life with his responsibilities as Spider-Man while facing powerful enemies and unexpected allies. Spider-Man: Brand New Day is set for release on July 31, 2026, with a storyline that involves Peter being forgotten by the world and dealing with shadows from his past. The studio remains tight-lipped about the full details of Sink’s character, maintaining a level of secrecy to preserve potential plot twists.