Speculation around Sadie Sink’s role in the upcoming Spider-Man: Brand New Day is rapidly growing after a recently “accidentally” leaked trailer surfaced online. In the footage—not only from Spider-Man but other Marvel-related previews as well—the character portrayed by Sink delivers a chilling threat directed at Peter Parker. She warns that “his friends will forget who he is if he stands in her way,” a line that immediately fueled intense discussion among fans.
This brief moment has sparked even more mystery around her character. At this point, Sadie Sink is believed to be the third or even fourth possible character fans think she could be playing. Marvel Studios appears to be deliberately playing with expectations, keeping audiences guessing in order to minimize real leaks. The studio recently also confirmed her involvement in Avengers projects, which only added to the confusion and excitement.
Rather than offering clarity, Marvel seems to be encouraging speculation. The studio’s strategy of teasing multiple possibilities has made it difficult to pin down Sink’s exact role. For now, viewers are left to wait for official confirmation. Fans eager to explore all theories surrounding the Stranger Things star’s character are encouraged to follow updates closely as more information becomes available.
Spider-Man: Brand New Day is scheduled to hit theaters on July 31, 2026. The film promises a fresh take on Peter Parker’s journey and is expected to act as a bridge toward major upcoming events in the Marvel Cinematic Universe. Tom Holland will once again reprise his role as Spider-Man, continuing to charm audiences with his signature charisma and athletic action scenes.
The anticipation does not stop there. It was previously reported that Tobey Maguire may return as Spider-Man in Avengers: Judgment Day, further expanding the interconnected storyline of the MCU. This possibility has reignited excitement among longtime fans of the franchise.
Until Marvel reveals more details, Sadie Sink’s role remains one of the most intriguing mysteries surrounding the next chapter of Spider-Man. For now, all eyes are on the countdown to the film’s release.

