Plus: Who will be the first person to find out Guardian's secret identity?

Supergirl type TV Show network The CW genre Superhero Where to watch Close Streaming Options

Who is Cyborg Superman?

That’s the question on everyone’s mind as we head into Monday’s new Supergirl episode, which will feature the infamous Superman villain’s live-action debut. Is it Kara (Melissa Benoist) and Alex’s (Chyler Leigh) Jeremiah Danvers (Dean Cain), who has been held captive by Project Cadmus for years, or someone else? Although he wouldn’t say who it is, star Jeremy Jordan, who plays Winn, promises that the reveal will be “fun.”

While Supergirl deals with Cadmus in Monday’s episode, Winn will have his hands full helping Guardian, a.k.a. James Olsen (Mehcad Brooks), who is being accused of a murder committed by another vigilante. EW caught up with Jordan ahead of Monday’s “The Darkest Places” to discuss all of this, plus whether or not Winn still has lingering feelings for Kara and who will be the first to find out about James’ secret identity.

ENTERTAINMENT WEEKLY: We finally meet Cyborg Superman in this episode. What can you tell us about his appearance?

JEREMY JORDAN: Well, Cyborg Superman is going to either surprise you incredibly or you’ll be like, “Oh, I should’ve seen that coming.” It’s fun. If you know anything about Cyborg Superman in the comics, then you kind of know all you need to know. But, Winn, he’s a little bit more preoccupied with what’s going on with Guardian right now.

I bet, since Guardian gets accused of murder in Monday’s episode, right?

Yeah, there’s a sort of vigilante who has basically copycatted Guardian and has started taking the law into his own hands, but taking it a little bit too far and actually killing people. So, the police and Maggie [Floriana Lima] are out on a hunt for Guardian. So, Winn is basically like, “We gotta get out. We’re done. We tried, and now if we don’t stop, we’re going to jail and we’re both screwed.” But at the same time, he finds Alex and is like, “Hey, you gotta tell your friend Maggie to stop spreading all of this crap about Guardian. That’s not him. He’s a good person. I know he is.” And, she’s like, “How do you know?” Winn isn’t the best at keeping secrets, as we will find out very shortly in the next episode, so it’s fun to watch how he handles other people sort of discovering the secret of Guardian.

Does Alex get read in on James’ side gig in Monday’s episode?

I think it’s safe to say that Alex is going to be the first one to figure it out. She’s not stupid. She’s going to definitely have her opinion about the whole situation. But, at the same time, we have some serious bad guys coming up in this episode and regardless who thinks who should be a superhero or not, they have to ultimately work together to take down the bad guys.

After they clear this obstacle, what kind of rhythm do James and Winn get into? What’s that new dynamic like?

It’s something that they’re still sort of discovering. Basically at this point, Winn is at the controls and he’s in the little van. Guardian has a body camera, so Winn can see everything that’s happening. He has all the diagnostics and is basically Guardian’s third eye. He’s like, “Oh, use this grenade” or “use this fun weapon I designed,” or “deploy your shield.” It’s kind of like Winn is Guardian’s director at this point. That’s kind of how they do their battle plan. Guardian and James probably could handle stuff on their own, but as we saw earlier in the season, he kind of needs help, so Winn is there to provide support.

Emotionally, it starts to become kind of muddled. We saw Winn very conflicted at the beginning of this whole thing [about] whether or not he wants to help Guardian and kind of join him in becoming a hero in their own right away from Kara, or whether he wants to protect his friend and stay safe and not sort of rock the boat. We’ll see that conflict playing out more and more as the season progresses, because there’s inherently way more danger involved when you don’t have a superhero who can just instantly heal with some yellow sun and is bulletproof.

Some people have criticized the show for turning James into a vigilante because they were hoping for the show to highlight the other ways people can be heroes. What was your reaction when you first heard about this story, and do you think that argument has some merit?

Sure, I think Winn becomes the voice of that argument and then, later on in the season, Kara becomes the voice of that argument. There is the idea of feeling like you are less than when you’re spending all of your time with someone with superpowers, so you’re always constantly trying to overcompensate and trying to build yourself up and feel like you can do something as well. So, you have to go through that process before you can be able to come to the conclusion that you actually can be a hero without doing all of these things. If that is the conclusion they finally come to, so be it, but at this point, they’re finding their own way. They’re both also kind of heartbroken and [laughs] whether it’s them asserting their masculinity by going out and fighting bad guys with brute strength, it’s kind of how they’re dealing with the circumstances that they’ve been left in at this point.

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Winn has clearly picked up on the fact that there’s something growing between Kara and Mon-El. How will that story continue to develop this season?

It was promising at first, Winn and Mon-El being best friends, but in episode 4, Mon-El really took advantage of Winn. While it was funny and fun, I don’t think Winn was super cool about it and on top of that, he starts to see this blossoming relationship [between Mon-El and Kara] that could be turning into something. Winn never really dealt with his feelings for Kara, and they never really dealt with it together. They kind of spoke all the stuff aloud and then kind of avoided each other and then swept it under the drug. I think that stuff starts to resurface and it becomes a little bit more like, “Well, this dude actually might be coming in and taking over.” You can only ignore your feelings for so long. I don’t know how Winn will ultimately deal with it, but I think he’s not going to be super excited for a happy new couple of Mon-El and Kara if that’s what it ends up becoming.

Supergirl airs Mondays at 8 p.m. on The CW.