It is not unusual for little details to be changed in an adaptation. This is certainly the case with the new DCU to date and the classic Superman comics. The first trailer for the 2026 Supergirl movie reveals another seemingly small change from the comics.

The Supergirl teaser trailer is unlikely to go too in-depth with the film's story, but major characters are still likely to appear. Outside of Supergirl, Krem, and Krypto, another character who will play a key supporting role in the film is Ruthye Marye Knoll.

Supergirl is still over six months away – at the time of this guide's latest update – from being released. But, while the DC Universe (DCU) movie won't be with us until June 2026, the potentially imminent arrival of its first trailer will reignite interest in the superhero's first big-screen adventure for over 40 years.

We have some details on the interactive Supergirl display that will be featured at next week's CCXP, and it will reportedly recreate a key scene from the