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Most notably, that includes Peacemaker Season 2 retconning the Justice League scene from Season 1’s finale. Where it previously included Superman, Wonder Woman, The Flash, and Aquaman, it’s now the Justice Gang (Green Lantern, Hawkgirl, and Mister Terrific), alongside Superman – but David Corenswet’s version, not Henry Cavill’s – and Supergirl. It’s a logical move and, for the most part, works pretty neatly, allowing for most of Season 1 to remain canon, with the Justice cameos changing. But what’s really intriguing – and, indeed, surprising – isn’t the retcon itself, but Supergirl’s inclusion alongside the Gang.
Why Is Supergirl Working With The Justice Gang?

To be clear, Supergirl and Superman are not officially part of the Justice Gang in Peacemaker Season 2. The episode itself doesn’t offer a great deal of clarity on that matter, but Gunn himself confirmed it on Threads: they’re working together, but not all part of the same team. That makes sense for the Man of Steel, given we saw him working with those heroes in Superman; the Peacemaker scene takes place before that, and fits with his established relationships with the characters. But the same cannot be said for Supergirl, who doesn’t really seem like the work-with-the-Justice Gang type.
Supergirl’s cameo in Superman has her stumbling into the Fortress of Solitude, having been off getting drunk on a planet with a red sun. Gunn has described this version of the character as a “total mess,” [via ScreenRant], and there’s no suggestion of her having been much of a hero on Earth, much less one who’d work with the Justice Gang. So just how much did Supergirl work not only with them, but alongside her cousin? And if she happily worked with them before, why not during the events of the movie?








