Yes, a new Supergirl movie titled "Supergirl: Woman of Tomorrow" is in development as part of the DC Universe reboot spearheaded by James Gunn and Peter Safran. The film is based on the comic series by Tom King and is intended to explore the character's journey and identity. While specific release dates and casting details have not been fully announced, the project is part of a broader plan to revitalize the DC film franchise. Keep an eye out for updates as the project progresses!

In the upcoming 2026 film "Supergirl: Woman of Tomorrow," the character of Supergirl will be played by Sasha Calle. She first appeared as Supergirl in the 2021 film "The Flash," and her role in the standalone film marks her return to the character. The film is part of the new DC Universe being developed under James Gunn and Peter Safran.

As of October 2023, there has been no official confirmation regarding Supergirl's appearance in "Superman: Legacy," the Superman film set for release in 2025. Directed by James Gunn, the film will focus on a younger version of Superman and is expected to explore new characters and storylines within the DC Universe. While Supergirl is a significant character in DC Comics, any potential inclusion in this specific film remains speculative until more details are released by the filmmakers.

In the 1984 movie "Supergirl," the titular character is played by Helen Slater. The film, directed by Jeannot Szwarc, features Slater as Kara Zor-El, Superman's cousin, who arrives on Earth to find a powerful artifact known as the Omegahedron and battles the villainous Selena, portrayed by Faye Dunaway. Helen Slater's performance as Supergirl garnered attention, contributing to the film's cult status over the years.