Last week's。 Supergirl
。revealed that Jeremiah Danvers (Dean Cain) is no longer the hero he once was before being captured by Cadmus.。

After 10 years trapped inside the shadowy group, he returned to his family for what seemed like a heartwarming reunion -- only to betray his former allies at the DEO and steal a list detailing the names and whereabouts of every alien in the country as part of Lillian Luthor's scheme to rid the world of extraterrestrial visitors. 。

What would Superman say?

What would Superman say?!。

SEE ALSO:Darren Criss joins DC superhero musical episode 。

The March 6 episode, "Exodus," will give Daddy Danvers a chance to explain himself to his heartbroken daughter Alex (Chyler Leigh). 
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"It’s an interesting debate in the next episode between Jeremiah and Alex, if his plan is any more humane [than Lillian's]," executive producer Andrew Kreisberg told a group of reporters after screening last week's installment. "And some of the talking points in the episode I think are reflective of the current debate in our world about dealing with immigrants, which we were very conscious of, and wanted to speak to that."
。

Leigh revealed that Jeremiah's double-cross will have a major impact on Alex moving forward: "They've been apart for so long and Alex wholeheartedly wants to believe in one particular thing, and really believe that everything is pure and good on his behalf, and once you start to see how deep the rabbit hole goes, and where his loyalties lie in one way or another, it's definitely very emotional, very heavy," she said.。Mashable Top StoriesStay connected with the hottest stories of the day and the latest entertainment news.Sign up for Mashable's Top Stories newsletter
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Thanks for signing up!。 Could Alex go over to the dark side herself, if Jeremiah makes a compelling enough argument? We shouldn't rule it out, per Kreisberg: "The question of 'where do Alex's loyalties lie' plays a major part of the next episode and battle lines are drawn a little bit," he teased. "What I love about [episodes 14 and 15] is no one's really wrong, in a way. And everyone, whether it's Mon-El or Kara or Alex or J'onn -- especially the stuff between J'onn and Alex in 15 -- everyone is doing it because they love each other. And even Jeremiah. Everyone is doing what they're doing out of a sense of love and to keep the people that they love safe."
。 For a certain generation of fans, Cain was their primary portrayer of Superman, playing the Man of Steel from 1993 to 1997 in 。 Lois & Clark: The New Adventures of Superman,which has made his inclusion in。 Lois & Clark: The New Adventures of Superman,which has made his inclusion in 。

Supergirl。

all the more satisfying -- but fans are in for an even bigger treat now that his。

Lois & Clark 。 co-star, Teri Hatcher, has been cast in a villainous mystery role.。When asked whether we'd get to see Cain and Hatcher reunite on screen, Kreisberg confirmed, "We'd love to. They would love to. There's a plan. There's always a plan ... If we can execute the plan. But yeah, we've known Dean for a long time now and we're just getting to know Teri. In the best examples of the legacy casting that we do, whether it's John Wesley Shipp or Helen Slater, Lynda Carter, all of them, to a person, are so proud of the contribution that they made in the past and are so proud and happy to be part of our show moving forward. And Teri, again we didn't know Teri before this casting process and she's turned out to be the exact same way. She is in this for the fans and knows what her being a part of this means to so many people. They're both really excited to give back." 。

SEE ALSO:What one 'Supergirl' story arc taught me about coming out。

Hatcher's character will make her first appearance in episode 215, airing March 6. "What's so amazing is, she is so not playing Lois, and she is so not playing any character I've ever seen her play before," Kreisberg teased. "She's so not Susan from。 Desperate Housewives。. She's really playing something completely different that was in her repertoire of all the things that's she's ever done, and she's doing it amazingly. It's really exciting for us." 。

"She can say one word, and then all of a sudden, the way that she says it, you're like, 'I don't want to cross her,'" Leigh added "She's got a lot of power in that teeny-tiny little frame of hers." 。

She'll also be appearing alongside another small-screen '90s hero -- 。She'll also be appearing alongside another small-screen '90s hero --。

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Hercules: The Legendary Journeys。

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star Kevin Sorbo.。

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"Most of his scenes are with Teri. Teri could very easily blow someone off the screen with her megastar TV wattage, so it was important to make sure that didn’t happen," Kreisberg previewed. "Getting Kevin and somebody who has his own history and fanbase and celebrity has made those scenes between them feel like equals."。

Supergirl 。Supergirl
。airs Mondays at 8 p.m. on The CW. 。Featured Video For You 。Patrick Stewart reveals what his superpower would be and it isn't mindreading。TopicsThe CW。