Aug 7, 2026 8:00am PT
Jean Grey Speaks: Sadie Sink on Making Her MCU Debut in ‘Spider-Man: Brand New Day’ and the Mutant’s Future With the New X-Men
Jay Maidment/Sony
For more than a year, Sadie Sink had to keep her role in “Spider-Man: Brand New Day” a secret. Sink, who was offered the part after her breakout performances in “Stranger Things” and “The Whale,” showed up to the London set without having read a full script. For security, her character was referred to with a code name.
When it came time to promote the film this summer, the trailers hadn’t revealed more than the fact that Sink’s character is a hooded figure with questionable intentions — and the ability to jump into anyone’s mind. So, even as Sink showed up for photo calls with her co-stars Tom Holland and Zendaya and partook in interviews, she had to find creative ways to talk around what she’d done on set.
