Update: 21st April Thanks to Doc Holliday for the heads up.
With MipTV wrapped, the focus now shifts to the L.A. Screenings in May. Big product suppliers were using MipTV to talk up L.A. Screenings bows that include, in terms of shows attracting attention for WBITVD, “Supergirl” for CBS, “Blindspot” for NBC, “Legends of Tomorrow” for CW, and also “The Curse of the Fuentes Women,” for NBC.
Source:
19th April 2015
Talking at the Cape Comic-Con, John Wesley Shipp referred to the Arrow/Flash Spin-Off as "Legends" and said that it will have 13 episodes. This may only be a working title and could change when the show is officially ordered to series by The CW. Listen to him talk about it below.