Arrow star Stephen Amell has shared a reunion picture ahead of his return to the Arrowverse in The Flash's final season.
The actor was confirmed by network The CW this week to be returning, with Amell tweeting: "Of course I’m coming back."
He's now posted a reunion picture on Instagram with Barry Allen star Grant Gustin behind the scenes, writing: "When Barry calls… Oliver answers…".
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How Queen will factor into the storyline remains a mystery, especially after his death in the 'Crisis on Infinite Earths' crossover event a few years ago.
However, showrunner Eric Wallace shared a statement upon announcing the return, saying: "As soon as our final season was announced, we knew we wanted Stephen to come back and reprise his iconic role as Oliver Queen.
"After all, it was Oliver who originally launched Barry Allen on his heroic path. That’s why everyone on Team Flash felt so strongly that it was important to create a full-circle moment with Oliver’s return in the final season of The Flash.
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"We absolutely cannot wait for everyone to see Grant and Stephen saving the world together again. And yes, there will be thrills, chills and tears."
Alongside Amell, The Flash's final season will include comebacks for Keiynan Lonsdale as Wally West/Kid Flash, Sendhil Ramamurthy as Bloodwork and David Ramsey as John Diggle.
The final episodes are also due to feature a Supergirl crossover, with Nia Nal/Dreamer (Nicole Maines) set to appear for a "very special" episode of the show.
The Flash is due to return Wednesday, February 8 on The CW in the US. Sky Showcase and NOW air the show in the UK.