“Armageddon” may have been prevented, but future shocks are still causing chaos for The Flash, which wraps up the five-part crossover event Tuesday with Barry (Grant Gustin), Iris (Candice Patton) and the team facing an unexpected visit from Arrow‘s Mia Smoak (Kat McNamara).

So what brings the current Green Arrow to town? Yeah, that’s not for us to spill, but we can say that Mia’s presence is tied directly to a certain Speedster who needs his clock cleaned and that McNamara’s return has us thinking the existing Arrowverse shows need to Smoak up more often.

Below, the actress tells us more.

It’s so nice to talk to you again. I spoke to The Flash showrunner Eric Wallace months ago, and he was hinting at some of the people coming back—I was so proud you were on the wish list!
I was truly honored. I mean, honestly, when I spoke to Eric for the first time as well, it immediately just inspired me again. And you know me—I love the Arrowverse. I love Mia Smoak so much. And the fact that they asked me back, I was really honored. It’s such a great group. And to be one of the ones brought back for “Armageddon”? It’s an honor to be brought back for the apocalypse. [Laughs]

Yes, welcome to the end of the world! And you make quite the entrance, opposite Tom Cavanagh no less.
I know. Oh, my gosh. That was the first scene I shot, and I have to say, I’m a huge fan of Tom and was a little bit starstruck. He’s been such a pivotal person from the beginning of the Arrowverse.

It was very cool to see that they didn’t just bring back Mia, they brought back Mia as the Green Arrow. And they honored where the character was headed the last time we saw her and what she’s doing now.
Absolutely. And that’s the biggest thing Eric said to me: “Look, they set up so much for Mia’s story. It can’t all go by the wayside.” So he picked up right where we left off and as you know, Mia’s whole essence is quite the specific blend of broodiness and sarcasm [from Stephen Amell’s Oliver Queen] and Felicity’s little glimmer in her eye and her sense of humor [via Emily Bett Rickards]…and they hit the nail on the head exactly.

I was so thrilled and really impressed by The Flash writers’ room. Not that I wouldn’t have been, but they were incredible at picking it right back up and bringing in all of Mia’s struggles that we left off with. They knew everything she was battling, between trying to join the superhero world in a real way while taking on this mantle she was not prepared for and really truly did not feel worthy of. And the fact that we get to see the darker side of the Green Arrow in this next piece is great. You see her on the verge and struggling with her family issues as well.

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