Cisco Ramon and Caitlin Snow — better known to DC Comics fans as Vibe and Killer Frost — will appear in the upcoming nineteenth episode of Arrow, according to Executive Producer Marc Guggenheim. The episode will be written by Geoff Johns, Andrew Kreisberg and Greg Berlanti, the team behind The Flash‘s pilot.The episode, titled “The Man Under the Hood,” will tie into the upcoming TV adaptation of DC Comics’s The Flash, and will star cast members from that show’s pilot, including Danielle Panabaker as Snow and Carlos Valdes as Ramon.The title of the episode had not been released until this weekend, when Guggenheim tweeted it ahead of a gathering of reporters today in Burbank to screen the next two episodes, titled “Suicide Squad” and “Birds of Prey.” It was at the screening and subsequent Q&A that Guggenheim confirmed the Flash news, which had leaked over the weekend on Reddit.
