✅ Yes, the content about Supergirl 2026 and the DC Universe's new take on the character appears to be true and authentic, as reported by several major and reliable sources.

These include:

1. IMDb News announced that "Supergirl: Woman of Tomorrow" is set for release on June 26, 2026, as part of DC Universe's new phase following James Gunn's Superman movie. The film stars Milly Alcock as Supergirl and is part of Warner Bros. Discovery and DC Studios' plans for expanding the DC Universehttps://www.imdb.com/news/ni64587524/ (Trust Score 8/10).

2. Batman-News.com shared the first teaser poster for *Supergirl: Woman of Tomorrow*, highlighting Milly Alcock's casting and confirming the June 26, 2026 release. The article mentions key creative names like director Craig Gillespie and screenwriter Ana Nogueira adapting Tom King's comic series. It also confirms other cast members and ties the release timeline closely following the Superman filmhttps://batman-news.com/2025/07/16/supergirl-teaser-poster/ (Trust Score 7/10).

3. The Cinema Group published a detailed overview confirming the release date and described the film’s take on Supergirl as a "much more hardcore" and emotionally complex version of the character, based on the comic *Supergirl: Woman of Tomorrow* by Tom King and Bilquis Evely. It outlines the plot involving Kara Zor-El, a young girl named Ruthye Mary, and the film’s darker, interstellar tone under James Gunn’s DC Studioshttps://www.thecinemagroup.co/news/2025/7/12/supergirl-2026-everything-we-know-about-the-dcus-take-on-the-girl-of-steel (Trust Score 7/10).

All these sources consistently confirm the film's title, release date, cast, creative team, and tone, supporting the authenticity of the information about Supergirl’s 2026 DC Universe project.