DC Studios is rewriting the rules of movie marketing with Supergirl, using TikTok as the primary launchpad for the film’s first official trailer in a bold, platform-wide takeover.

For one day, TikTok users across the United States and multiple international markets were greeted with Supergirl as their first in-app video — a historic move that marks the first time a major studio has debuted a trailer in this format. The strategy highlights Hollywood’s growing reliance on social platforms to reach younger, mobile-first audiences.

Rather than relying solely on traditional advertising, the campaign turns TikTok into an immersive promotional hub. A dedicated Supergirl Spotlight Page brings together the trailer, exclusive footage, and creator-driven content designed to fuel conversation and fan participation. The approach reflects a shift toward interactive marketing, where discovery happens through community engagement rather than passive viewing.

The trailer introduces Milly Alcock as Kara Zor-El, offering a darker, more emotionally layered take on the iconic DC hero. Early footage suggests a story shaped by isolation, resilience, and intergalactic adventure, while also spotlighting fan-favourite elements such as Supergirl’s loyal companion, Krypto.

Directed by Craig Gillespie and written by Ana Nogueira, Supergirl is positioned as a key instalment in DC Studios’ evolving cinematic universe. The film is currently slated for theatrical release in June 2026.

By debuting its trailer through a TikTok takeover, Supergirl demonstrates how blockbuster marketing continues to evolve alongside audience behaviour. As social platforms increasingly function as premiere destinations rather than promotional afterthoughts, DC’s latest campaign may set a new benchmark for how major films introduce themselves to the world.