Marvel rumors suggest Sylvie may appear in Avengers: Doomsday

Rumors have surfaced regarding the potential appearance of Sylvie Laufeydottir, a character from the Disney+ series Loki, in the upcoming film Avengers: Doomsday. According to industry insider James Mack, the character portrayed by Sophia Di Martino may appear in the movie, though reportedly without a major role.

While Marvel has not officially confirmed these details, Tom Hiddleston is already confirmed to reprise his role as Loki. The film, directed by Anthony and Joe Russo, is set to feature an ensemble cast including Robert Downey Jr. as Victor von Doom. Avengers: Doomsday is scheduled for release on December 18, 2026, followed by Avengers: Secret Wars on December 17, 2027.