AceShowbiz - James Gunn recently posted an Instagram story featuring images of Wonder Woman and Supergirl, stirring speculation among fans about a potential team-up movie involving the two iconic heroines.

The story prompted widespread discussion that this might hint at Wonder Woman appearing alongside Supergirl in the upcoming Supergirl film set to debut on June 26, 2026. Fans are eager to see how these characters could be connected on the big screen, especially since Ana Nogueira, the writer developing the Supergirl screenplay, is also working on the Wonder Woman script. This overlap has fueled hopes of a shared narrative between the two.

On his Instagram stories, James Gunn reshared a post from comic writer Tom Taylor promoting the forthcoming comic series Dark Knights of Steel II, which explores an alternate universe featuring key characters like Queen Lara of House El, Queen Anissa of the Kingdom of Storms, and Queen Hippolyta of Amazonia. This connection to alternate versions of iconic heroes may also be influencing fan theories regarding the cinematic future of Wonder Woman and Supergirl.

James Gunn has been active on social media engaging with fans but has not confirmed any casting or plot details related to Wonder Woman’s involvement in the Supergirl movie or any team-up plans. He has previously expressed admiration for Adria Arjona as a potential Wonder Woman and clarified that no casting decisions will be finalized until the Wonder Woman script is complete.

James Gunn serves as a key studio executive overseeing the new DC Universe slate, balancing projects such as the upcoming Man of Tomorrow, where Adria Arjona is confirmed to star, though her exact role remains unconfirmed. His involvement in shaping the DCU’s direction includes clarifying storylines and character integration, as seen in his previous announcements about Superman and Supergirl projects.

This Instagram tease matters because it signals possible early groundwork for intertwining Wonder Woman and Supergirl’s narratives within the new DC Universe framework. With fans hungry for connectivity and fresh storylines, such hints from a top executive like James Gunn amplify anticipation and set the stage for future cinematic developments involving these legendary characters.