‘Supergirl’ Trailer Shows Milly Alcock as a New Kind of ‘Imperfect’ Hero in Action-Packed First Footage

In the upcoming 2026 movie “Supergirl,” Kara Zor-El embarks on a dark and cosmic journey, initially reluctant to embrace her role as a hero. The film follows Kara as she navigates various challenges and confronts her inner demons, ultimately leading to her acceptance of becoming Supergirl. Actress Milly Alcock hints at a major revelation at the end of the movie, teasing a transformation in Kara’s character that will redefine her outlook on heroism.