Stephen Amell Reacts to Final Arrow Poster with Game of Thrones GIF

"Crisis on Infinite Earths" is not the only Arrow crossover on Stephen Amell's mind.

Amell attached a Game of Thrones GIF to his tweet of the new tagline for the final season of the CW series -- "Heroes Fall. Legends Rise." The GIF features Arya Stark (Maisie Williams) -- from a scene in what appears to be Season 4 of the hit HBO series -- slowly shaking her head in disapproval.

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The head shake is most likely a response to the possible deaths to come when Arrow begins its eighth and final season on Oct. 15. Oliver Queen's demise has been heavily teased since the "Elseworlds" crossover, and the Arrow Season 7 finale even featured his tombstone and grave. Many fans speculate that Oliver will meet his maker in the upcoming "Crisis" crossover, as part of a deal he made with The Monitor (LaMonica Garrett) back in "Elseworlds."

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Returning Tuesday, Oct. 15 at 9 p.m. ET/PT on The CW, Arrow stars Stephen Amell as Oliver Queen, David Ramsey as John Diggle, Rick Gonzalez as Wild Dog, Juliana Harkavy as Black Canary, Katie Cassidy as Black Siren, Katherine McNamara as Mia Smoak, Joseph David-Jones as Connor Hawke and Ben Lewis as William Clayton-Queen.

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