Supergirl: Milly Alock in new Warner Bros. Studios filming

Supergirl: Woman of Tomorrow is in the early stages of filming at Warner Bros. Studios Leavesden, which is set to be released in June 2026.

It stars Milly Alcock and will be the second film in the DC Universe series.

(Image: UnBoxPHD) Twitter/X user UnBoxPHD regularly shares pictures from film sets, and has released fresh footage giving fans a first look at the Australian actress in the iconic Supergirl suit.

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They show the 24-year-old walking around the set in costume, as well as standing on top of a tank for a scene in the film.

Previous pictures had shown the construction of some of the sets fans can expect to see when the film hits cinemas next year.

(Image: UnBoxPHD/YouTube) Alcock is no stranger to Leavesden, having had a major role as young Rhaenyra Targaryen in Game of Thrones prequel House of the Dragon, also shot at the facility.

Most famously, the Leavesden site was the home of every Harry Potter film and will serve as the location for the upcoming television adaptation of the series.

(Image: UnBoxPHD/YouTube)