Directors Joe and Anthony Russo have released four teasers for Avengers: Doomsday, shown before screenings of 'Avatar: Fire and Ash' since December 19, 2025. A new teaser has debuted weekly, with the final one featuring The Wakandans and The Fantastic Four appearing on January 13. The directors have urged fans to pay close attention to these teasers, suggesting they contain important clues about the film.