A new photo may have revealed a spoiler about a young avenger's appearance in the upcoming film Avengers: Doomsday. There have been various announcements and reveals related to the movie, including casting confirmations and a glimpse at a deleted scene from Ant-Man. The extent to which these developments may impact the plot or ending of Avengers: Doomsday is uncertain, with some outlets suggesting that a major spoiler may have already been revealed.