Supergirl is set to become a major player in the newly rebranded DC Universe, with her debut movie Supergirl: Woman of Tomorrow scheduled to be released next year. Filming is currently underway in the UK, with House of the Dragon breakout star Milly Alcock playing the lead superhero.
If you want to know more about one of the most exciting upcoming DC movies, here's everything we know about Supergirl release date, confirmed cast, plot theories, first-look footage, and more.
Although most details are still under wraps, we already know a fair share of details about the upcoming superhero movie. The story will follow Superman's cousin, Kara Zor-El, who, according to the comic Woman of Tomorrow, is about to get drawn into a quest for revenge across the galaxy. Some names have already joined the cast, like Jason Momoa as alien mercenary Lobo, and The Old Guard star Matthias Schoenaerts as the lead villain.
With the new Superman movie flying to cinemas this summer, fans are expecting Alcock to make a first appearance as Supergirl to support her cousin, who is played by David Corenswet. It sounds like something DC Studios head James Gunn would do, but let's not get ahead of ourselves.
As we keep an eye on more announcements, we've rounded everything known so far about Supergirl, including a confirmed release date, plot, cast, and even a first-look image from set. For more, check our list for all upcoming superhero movies in 2025 and beyond.
Supergirl release date
Supergirl: Woman of Tomorrow will be released in theaters on June 26, 2026. This comes almost a year after the release of Superman this July. Based on the planned release dates for James Gunn's DCU, this means that Supergirl will be the fourth project in Chapter One: Gods and Monsters.
Cameras are officially rolling on Supergirl now too. James Gunn shared a first-look image of star Milly Alcock on set in the UK in January 2025.
Supergirl plot speculation
There is no official plot synopsis yet for Supergirl: Woman of Tomorrow, but we do know it will be based on Tom King's comic of the same name. This begins with Kara Zor-El traveling across the galaxy to celebrate her 21st birthday with her beloved companion Krypto the Superdog in tow. On her journey, she meets a young woman named Ruthye who is on her own path of discovery. Ruthye's father has been killed and she wants revenge – and Kara is keen to help her in any way she can.
It's also been confirmed that Supergirl will make her debut in the upcoming Superman movie, which should give us some indication of where her individual story will go. Hopefully, that movie will explain a bit more about the dynamic between Kara and her cousin Clark Kent, especially as in the comic book it's slightly fraught by the time that begins.
Supergirl cast
House of the Dragon breakout Milly Alcock will play Supergirl, Kara Zor-El. The actor was cast by James Gunn who said they loved her "edge, grace, and authenticity". Meanwhile, Matthias Schoenaerts will play the movie's big villain, Krem of the Yellow Hills, and Eve Ridley will star as the young girl Supergirl befriends, Ruthye Marye Knoll.
The rest of the Supergirl cast hasn't been completely locked down yet, and we're expecting there may be some surprise cameos along the line too. Check out the list below of everyone who has been confirmed for the cast list.
- Milly Alcock as Kara Zor-El / Supergirl
- Matthias Schoenaerts as Krem of the Yellow Hills
- Eve Ridley as Ruthye Marye Knoll
- David Krumholtz as Zor-El
- Emily Beecham as Supergirl's mother
- Jason Momoa as Lobo
Jason Momoa is rumored to make his new DCU debut as the comic book character Lobo in Supergirl, according to The Hollywood Reporter. The actor previously starred as Aquaman in the DC universe before it was rebooted under James Gunn. It's very possible that David Corenswet's Superman may also make an appearance in the upcoming movie, but nothing has been confirmed on that front just yet. Cruella and I, Tonya director Craig Gillespie is directing the movie.
Is there a Supergirl trailer?
No, there is no Supergirl trailer yet. Cameras only started rolling on the project in January 2025, meaning there will likely be a bit of a wait before new footage is released. The first Superman trailer was released in December 2024 ahead of its July 2025 release date. Based on the same logic, we expect the Supergirl trailer could be released in November or December 2025.
For more, check out our guides to all the upcoming DC movies and TV shows, as well as our breakdown of how to watch the DC movies in order.
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