James Gunn’s DC Universe is already making key adjustments to streamline continuity. One of these changes raises big questions about Supergirl’s role in this new era. Fans are analyzing how the retcon impacts the timelines of both Superman and Supergirl in the DCU.
Supergirl’s Surprising Inclusion in the Justice Gang
In Peacemaker Season 2, Episode 1, the creators retconned the Justice League cameo from the Season 1 finale. Instead of Cavill’s Superman, Wonder Woman, Aquaman, and Flash, the lineup now includes David Corenswet’s Superman, Green Lantern, Hawkgirl, Mister Terrific, and—surprisingly—Supergirl (Milly Alcock).
Gunn later clarified that Superman and Supergirl aren’t officially part of the Justice Gang but are simply working alongside them. While this aligns with Superman’s established alliances in the upcoming Superman movie, Supergirl’s involvement remains puzzling to fans.
Supergirl’s Characterization in the DCU
In Superman, Kara is portrayed as a “total mess”—a directionless figure who admits to getting drunk on a red-sun planet rather than actively being a hero on Earth. This makes her appearance as a seemingly cooperative ally of the Justice Gang all the more intriguing. Fans are now asking:
“When and how did Supergirl work with the Justice Gang?”
If she teamed up with them before, why doesn’t that dynamic carry over into the Superman film? The retcon creates a unique narrative challenge while also opening opportunities for deeper exploration of her character.
Upcoming Supergirl: Woman of Tomorrow Film
The upcoming Supergirl: Woman of Tomorrow is set to release on June 26, 2026. The film has the perfect opportunity to answer these questions. Inspired by Tom King’s acclaimed comic run, it will explore Kara’s trauma, her messy past, and her struggle with direction. At the same time, it will showcase her heroism. This could finally clarify how she fits into events like her cameo in Peacemaker.
Gunn is setting Kara Zor-El up as one of the most complicated heroes in the DCU. Her story looks ready to balance pain, resilience, and growth. This makes her a standout in the franchise. By exploring her internal conflicts and gradual rise as a hero, the film could bridge the gap between her cameo and her eventual role alongside Superman and the Justice Gang.
Overall, this retcon demonstrates DCU’s commitment to reworking continuity thoughtfully while giving secondary characters room to shine. Moreover, fans can expect more layered storytelling, where heroism is not just about powers but also about personal growth and overcoming trauma. Furthermore, as Gunn continues to expand the universe, these characters will play a key role in shaping the DCU’s evolving landscape.
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