Released in part to promote The CW's online streaming service, a new poster for "The Flash" also works to promote the show's upcoming Earth-2 adventure.

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The poster, featuring a Speed Force lighting bolt-wielding scarlet speedster, bear the tagline "Alternate Reality Check," presumably referring to the hero's two-episode visit to the Earth that spawned Jay Garrick and Zoom.

"The Flash" airs Tuesdays at 8 p.m. on The CW.