Random Fan Theories About Supergirl (11 items)

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  (#7) Saturn Girl Is Going To Die

  This theory derives from a trend we've seen before in the Arrowverse: one romantic interest dying in order to make way for a new one. Basically, if Mon-El and Kara are destined to be together, Saturn Girl has to die in order to make way for their reunion, according to Redditor /u/leloocat.

  Now that we know that Mon-El and Saturn Girl's marriage might not be a completely happy one (but one forged out of obligation), it would seem that this union is ill-fated and on its way out.
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  (#2) The Legion Has Traveled Back To Kara's Time To Change The Timeline

  There's always been more to the Legion's arrival in Kara's time than meets the eye. In fact, Redditor /u/parduscat has theorized that the Legion has gone back in time to stop Kara from being killed by the Worldkillers – or becoming one herself. The logic is simple: if the Earth suffered a cataclysmic event in the 25th century, one can assume that it was at the Worldkillers' hands. This means that Kara was unable to defeat the Worldkillers on her own in the present day, which is why the Legion has come to help her out, ultimately altering the timeline in the process.
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  (#9) Lena Luthor Is Finally Going To Turn Evil

  Ever since Lena Luthor was first introduced in Supergirl Season 2, fans have been waiting for the other shoe to drop. While Lena has remained the one good Luthor in the family, there is at least one fan who is not convinced. 

  Redditor /u/iwishiwasamoose has theorized that Kara and Lena's stories run so parallel – they're both adopted, one by a good family and the other by a bad one – that it's inevitable Lena will accept her destiny as a villain just as Kara accepted her heroic calling. 

  This theory is supported by some comments made by showrunner Jessica Queller, who told Digital Spy that Lena would be "a ticking time-bomb." Lena might have more in common with her infamous brother than first thought...
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  (#6) Reign May Redeem Herself

  It would be pretty sad to see Sam meet her end because of her Reign persona. After all, she's turned out to be one of Kara's best friends on the show. One fan is holding out hope that Reign may indeed defeat her own programming and set out on a path to redemption.

  Redditor /u/daemc97 says that the Legion might actually convince Reign to go back with them to the 25th century, where she can help them fight the problems of the future. Additionally, she might actually take Mon-El's place in the Legion since he'll want to stay with Kara in the present day. 

  The character swap certainly sounds like a signature Arrowverse move.
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  (#8) 'Supergirl' Is A Sequel To 'Gotham'

  Fans of Supergirl are excitedly theorizing whether we'll ever see Batman and Superman team up in the Arrowverse. While it's never quite happened, Redditor /u/Draxon123 is quick to point out that Supergirl made references to both Gotham and Batman in Season 2. In fact, the show even teased that Superman and Batman once teamed up before Kara became Supergirl, which would make the world's greatest team-up a prequel to Supergirl. 

  Additionally, Redditor /u/TheRealLordZedd points out that, based on the technology featured in Gotham, the Batman prequel show probably takes place about 25 years prior to the events of Supergirl, which would be more than enough time for Bruce to grow up and meet the Man of Steel before Kara became Supergirl. Her story would then be a sequel to both Gotham and Batman's adventures with Superman.
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  (#10) Saturn Girl Is Controlling Mon-El

  Karamel believers – as in Supergirl fans who want Kara and Mon-El to end up together – just won't accept Mon-El's marriage to Imra Ardeen (AKA Saturn Girl). While it was recently revealed that Mon-El actually married Imra in order to form an alliance between the people of Earth and the moon of Titan in the 25th century, some fans believe there is something more sinister afoot. 

  Redditor /u/psych_is_a_science has suggested that Saturn Girl is actually messing with Mon-El's head to keep him married to her. One of Saturn Girl's main powers is the ability to control minds, so this theory isn't so far-fetched.

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