Spider-Man 4 could feature Stranger Things actress as antihero

The behind-the-scenes of Spider-Man: A New Day may have revealed the role of the film’s new star. Stranger Things actress Sadie Sink was seen on set with a look that caught the attention of fans and raised a wave of theories about who she could play in the MCU (Marvel Cinematic Universe).

In the images that circulated on social media, the actress appears wearing military pants, combat boots and a loose coat that hides her torso. The tactical costume and red hair reignited rumors that she could play Rachel Cole, a character from Marvel comics known for her connection to the Punisher (Jon Bernthal).

The theory gained traction among fans because Rachel Cole has a look very close to that shown in the photos: combat clothes with a determined and somber posture. The possibility of seeing the young actress playing such an intense and dark figure excited the hero’s followers.

In the comics, Rachel Cole has one of the most tragic stories in the Marvel universe. She lost all her family and friends in a massacre on her wedding day and, since then, has embarked on a journey of revenge alongside Frank Castle. His trajectory mixes trauma, pain and brutality — elements that match the more mature tone that the new Spider-Man film promises to adopt.

Spider-Man 4 and the mystery of the story

Spider-Man: A New Day should follow the events of No Return Home (2021), showing Peter Parker trying to rebuild his own life amid anonymity. The introduction of a character like Rachel Cole would indicate a change of direction in the MCU, exploring darker and more adult plots, something that fans have been asking for for a long time.

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So far, Marvel has not confirmed which role the Stranger Things actress will play, but the signs are strong. In addition to the action costumes, insiders point out that the production wants to introduce new figures that orbit the world of urban heroes like Daredevil and Punisher.

If the theory is right, audiences will see Sadie Sink take on the most intense role of her career — and possibly pave the way for a new generation of antiheroes within the Spider-Man universe. A New Day opens on July 30, 2026. The film with Tom Holland also stars Zendaya, Mark Ruffalo, Tramell Tillman and Liza Colón-Zayas.