First on-set picture of Milly Alcock as Supergirl reveals a comic accurate costume

The DC Universe is buzzing with excitement as the first behind-the-scenes (BTS) image of Milly Alcock as Supergirl has surfaced. Alcock, best known for her role as young Rhaenyra in House of the Dragon, is stepping into the iconic red and blue suit for Supergirl: Woman of Tomorrow, a film that promises to bring a fresh take on Kara Zor-El’s journey. Fans have eagerly awaited a glimpse of Alcock in costume, and now, the first set photos have given them a taste of what’s to come.

Quick read:

1. First BTS Pic of Milly Alcock as Supergirl – The first behind-the-scenes image reveals Alcock in costume for Supergirl: Woman of Tomorrow.
2. Comic-Accurate Look – The suit closely matches the Woman of Tomorrow comic, featuring a red skirt, blue sleeves, and gold belt.
3. Action Scene Teased – Alcock stands atop a military-style vehicle, hinting at intense sequences, possibly involving Lobo.

A Comic-Accurate Supergirl Suit

The newly revealed BTS image by the X account UnBoxPHD showcases Milly Alcock in a costume that closely resembles the comic book version of Supergirl from Woman of Tomorrow. The suit features long blue sleeves, a bold gold belt, a red skirt, and matching red boots, staying true to the character’s classic look. Fans have noted that the cape appears shorter in the image, leading to speculation that CGI might be used to enhance its length in the final film.

Supergirl COSTUME!!!!

Milly Alcock on Supergirl Set! pic.twitter.com/rOfnEI6UGw

— UnBoxPHDFILM (@UnBoxPHDFILM) April 10, 2025

What the BTS Image Reveals About the Film

Beyond the costume, the BTS image hints at an action-packed storyline. Milly Alcock was spotted standing atop a military-style vehicle, sparking speculation about a potential battle sequence. Some fans believe that Jason Momoa’s Lobo might be involved in the scene, though official confirmation is still awaited. With James Gunn overseeing the DCU’s creative direction, Supergirl: Woman of Tomorrow is expected to deliver a unique and compelling take on Kara Zor-El’s journey across the galaxy. The film is slated for release on June 26, 2026, and anticipation continues to build as more details emerge.

Read More: “It’s all taken care of”: How House of the Dragon showrunner Ryan Condal helped Milly Alcock with her Supergirl role

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