James Gunn Shares BTS Photo from the Set of ‘Supergirl: Woman of Tomorrow’

James Gunn has shared a new behind the scenes photo from the set of Supergirl: Woman of Tomorrow. The photo features Supergirl herself, Milly Alcock holing up a Supergirl comic in what looks to be her trailer.

Many fans believe Gunn posted the photo to build hype for Warner Bros. Discovery’s CinemaCon panel, which is set to take place tomorrow. April 1. Superman will definitely play a huge role during the panel, but many fans believe CinemaCon attendees will get their first look at the 2026 movie.

Regardless, keep these photos coming Gunn!

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