The DC Studios co-chief spoke to influencers and media at a New York event ahead of the teaser trailer’s drop Thursday

The first trailer for Supergirl signals serious danger for Krypto, the beloved superdog introduced in 2025’s Superman and inspired by James Gunn’s own pet. The film confirms that Krypto belongs to Kara Zor-El, Superman’s cousin, and is her constant companion, living with her and even accompanying her to an intergalactic bar for her birthday.

James Gunn says the new Supergirl film will introduce a version of Kara Zor-El who is deliberately less idealized than past on-screen portrayals, describing the character as “messy” in ways often reserved for male superheroes.

The DC Studios movie becomes the first trailer ever to be served up to every TikTok user in the United States and 12 other territories.

House of the Dragon star Milly Alcock will play Kara Zor-El, AKA Supergirl, in the DCU Chapter One 's second big-screen offering. Superman's cousin is set to go on a "murderous quest for revenge" across the galaxy, accompanied by Krypto the Superdog, where she'll come up against Matthias Schoenaerts' Krem of the Yellow Hills.

More surprisingly, Supergirl more closely recalls James Gunn’s sci-fi exploits on Guardians Of The Galaxy than last year’s Man of Steel reboot. Directed by Craig Gillespie, who applies his reputation for stories about flawed females,

Warner Bros. on Thursday unveiled the first teaser of its upcoming feature Supergirl, led by Milly Alcock. A sequel to James Gunn’s Superman, the DC superhero film is slated for a 26 June, 2026 theatrical release.

Supergirl' star Milly Alcock and director Craig Gillespie speak with DC Studios' James Gunn about the inspirations behind their upcoming 2026 film.