Final "Flash" and "Arrow" 'Fight Club' Posters Showcase Ra's, Firestorm and Rogues

Over the past few weeks, The CW has unveiled a series of character posters for its DC Comics-based hits "The Flash" and "Arrow" -- all stemming from its recently released "Superhero Fight Club" promo.

With both shows winding down their current seasons (two episodes of the first "The Flash" season are left; one episode of "Arrow" season three), Monday saw the release of the final four posters, featuring Matt Nable as current "Arrow" archvillain Ra's al Ghul, plus "The Flash" players Wentworth Miller (Captain Cold), Dominic Purcell (Heat Wave) and Robbie Amell and Victor Garber (Firestorm).

"The Flash" airs 8 p.m. Tuesdays, "Arrow" airs 8 p.m. Wednesdays; both on The CW.

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