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

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.

The SUPERGIRL TEASER TRAILER is HERE! And I want to share my conversations with some of the artists who made it possible! I was invited to the screening event that DC Studios/Warner Bros had in New York City celebrating the release of this first look at Supergirl!

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.

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.

James Gunn has teased a new first look at Supergirl, ahead of an upcoming trailer for the movie. “The wait is almost over,” the tiny teaser video promises, showing Milly Alcock in her civilian gear as what looks like a spacecraft touches down in front of her.

Supergirl: DC Studios Co-CEO James Gunn Shares a Short Clip Revealing That the First Teaser Will Drop This Week DC Studios co-CEO James Gunn has confirmed that the first teaser trailer for Supergirl will release during the week of December 8, 2025.

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,