Home / Arts and Entertainment / Sadie Sink's MCU Mystery: Who is she playing?
Sadie Sink's MCU Mystery: Who is she playing?
26 Nov, 2025
Summary
- Sadie Sink joins Marvel's Spider-Man: Brand New Day in a secret role.
- Speculation links Sink to Jean Grey, but she dismisses early rumors.
- She will also appear in Avengers: Secret Wars, filming in London soon.
Following her success in Stranger Things, Sadie Sink is making her debut in the Marvel Cinematic Universe in Spider-Man: Brand New Day. Her character details are currently undisclosed, fueling widespread fan theories, particularly regarding her red hair and potential identities.
Sink addressed these rumors, acknowledging the speculation while maintaining secrecy. She noted that some theories, like her being Jean Grey, circulated even before she joined the project. She expressed excitement for the public to discover her character, hinting that more will be revealed soon.
Her involvement extends to the highly anticipated Avengers: Secret Wars, with filming scheduled for London in 2026. Sink was confirmed to join the Spider-Man film alongside stars like Tom Holland and Zendaya, with a cast also featuring Jacob Batalon, Jon Bernthal, and Michael Mando.
