The Flash plans to bring back major Arrow hero in season 9

The Flash spoilers follow.

The Flash bosses plan to bring back a major Arrow hero in season 9.

While nothing is confirmed yet, it's looking like Katherine McNamara might be returning to Central City as Oliver and Felicity's daughter Mia Smoak from the future.

Flash showrunner Eric Wallace recently confirmed that while Mia won't be popping up in the back-half of season eight, the door remains open.

Related: DC's Arrowverse future is addressed after Batwoman and Legends of Tomorrow cancellations

"I do hope to have her back in season 9," the producer told TVLine.

Mia last helped Team Flash during the Armageddon crossover earlier in the season, with Katherine McNamara refusing to rule out another return at the time.

"I would love nothing more than to come play in the Arrowverse again," she told Entertainment Weekly. "Truly, if anybody needs a gal to come shoot some arrows at some bad guys in a cool supersuit, just cast a green arrow in the sky and I'll come running."

Mia might not be the only character from the wider Arrowverse who pops up in The Flash next year, but it's looking unlikely fans will see the Legends of Tomorrow crossover.

Eric Wallace admitted earlier this year: "As much as I'd love to do that, that's not something that is very easy to do in a season when I may have to wrap up my own story. I want to be honest, and not get anybody's hopes up!"

For now, Barry and the rest of Team Flash have their hands full with a new speedster on the loose in Central City, following the arrival of Fast Track (4400's Kausar Mohammed).

The Flash airs on The CW in the US. Sky Showcase and NOW air the show in the UK.

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Justin Harp

Justin is a freelance entertainment journalist and writer. He first joined Digital Spy as a freelance entertainment reporter in 2010 and also worked as a sub-editor for the brand, serving as Night News Editor from 2016 to 2024. Over more than a decade, Justin has covered numerous major entertainment events from the US and has interviewed a wide-ranging group of public figures, from comedian Steve Coogan to icons from the Star Trek universe, cast members from the Marvel Cinematic Universe and reality stars from numerous Real Housewives cities and the Below Deck franchise. Justin has also been on the ground to cover major pop culture events like the Star Wars Celebration and the D23 Expo. He's written for titles across the Hearst network, plus the likes of CBR and Us Weekly.