Citizen Cold returns to Central City on The FlashSeason 4 Episode 19, “Fury Rogue,” as Barry and friends try to regroup after the devastating events of last week’s episode.
However, it doesn’t look as though Leo Snart is the only familiar face we’ll see pop up on “Fury Rogue.” The promotional pictures for the hour reveal that Katie Cassidy also appears as Black Siren, though it’s unclear whether this is the same version of her character that’s currently on Arrow.
Check out the photos and promo video below for a preview of the episode.
Episode Description: When Barry needs help transporting a dangerous meta, he calls on a new friend for help—Leo Snart AKA Citizen Cold. Meanwhile, Cisco becomes suspicious of Harry.
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