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.

The first trailer for Supergirl sets up another huge DC retcon and gives Kara Zor-El an incredibly tragic origin story.

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Supergirl director Craig Gillespie revealed he wasn’t familiar with the character’s lore before helming the film, and stated he read the movie’s screenplay before reading the Woman of Tomorrow miniseries.

Here are 8 major things to look out for in the Supergirl trailer, including story reveals, DC characters, and Easter eggs.

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.

Direct from the showroom floor of CCXP 2025 in Brazil, we've got a close-up look at Supergirl's costume from the 2026 DC movie.

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.