Iris (Candis Patton) is trapped in the Mirrorverse by the Mirror Mistress (Efrat Dor), and it looks like Barry (Grant Gustin) will have to somehow channel the power of his love for her to rescue her in the new trailer for Season 7 of The Flash.
The Flash returns to The CW Tuesday, March 2.
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Andy Hunsaker has a head full of sitcom gags and nerd-genre lore, and can be followed @AndyHunsaker if you're into that sort of thing.