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Spoilers for DC Studios' Supergirl are ahead! 

DC Studios' Supergirl film has been billed as an adaptation of Tom King and Bilquis Evely's comic book mini-series, Supergirl: Woman of Tomorrow, but that doesn't mean it's a direct 1:1 adaptation. There are a few differences between the comic and the movie (hello there, Lobo!), and Supergirl screenwriter Ana Nogueira has opened up about the film's ending, which differs from the comic. 

In case you need a refresher, in the Supergirl film, it's Kara who kills Krem of the Yellow Hills after she talks Ruthye out of ending his life. Nogueira addressed the change in an interview with Variety, saying, “The ending between Kara and Krem was always in it, from the pitch — truly from the very beginning. Because the comic ends with Ruthye killing him, but in the far, far future. We knew we weren’t gonna be able to do that kind of time jump, and I find it’s quite a dark ending of the comic. He essentially has changed, and she kills him anyway, because she still just has this anger, and you understand there’s this element of deserve, right?" 

The thing is is that in the comic, Ruthye doesn't actually kill Krem. In the final page of Supergirl: Woman of Tomorrow #8, we see an elderly Ruthye strike Krem in the head with her walking stick, and he falls to the ground. In the succeeding panels, we see him put his hand up to touch his forehead, so he isn't dead. And despite the fact that the story's final panel is Krem lying motionless, writer Tom King has previously confirmed that Krem isn't dead. "This is not supposed to be ambiguous, [Krem] is supposed to be alive. That's why he grabs his head," King said on the Comic Book Couples Counseling podcast in 2024. 

Now, that doesn't mean that the finale of the Supergirl movie doesn't make sense - it does, and we've unpacked the ending. But it's still interesting to see that the final page of King and Evely's story was misunderstood by the film's screenwriter. Either way, all's well that ends well. 

Supergirl is in theaters now. 

Whether you're looking for truth or justice ahead of DC Studios' Supergirl movie, we have everything you need to know. Here are:

• Supergirl ending explained: Who dies, what happens to Krem, and more from the comic the Milly Alcock movie is based on
• Our Supergirl movie guide
• Why DC Comics blacklisted the original Supergirl for 20 years, in comics, TV, and more
• Everything you need to know about Jason Momoa's Lobo
• How to watch all of Supergirl's movies, TV series, and cartoons