


“She’s sort of the last remaining fighter of the Nazi regime, so she’s got a big chip on her shoulder,” Helbing previews. No, we also will meet for the first time Arrow heroine Laurel Lance’s doppelgänger from that war-torn universe, dubbed Siren-X (played by franchise vet Katie Cassidy). (Asked about the ring Leo now seems to sport, Helbing would only say, “We pick up where Legends dropped him off, so to speak.”) But Citizen Cold is not the only Earth-Xer taking part in this week’s episode of The Flash. Viewers first met Leo Snart in last fall’s four-show crossover event, and he has since then stopped by Legends of Tomorrow before heading back to his Earth to pop the question to beau Ray “The Ray” Terrill.
