Now a potential title has hit the net with "Legends Of Tomorrow."
It's pure speculation as of now, but the title fits with what is currently known about the spinoff.
"Legends Of Tomorrow" would work as a title because it is thought time travel is involved with the new series as not only can The Flash travel through time, but another character said to be a part of the team, Rip Hunter, is from the future as well. This would also explain how Caity Lotz can appear in the spinoff series (either as Canary from the past or perhaps an ancestor from the future).
In an ironic sort of twist, it's been said Robbie Amell will not be a part of the new spinoff; Robbie Amell starred in a similar-named CW series before joining The Flash that was cancelled with The Tomorrow People.
The info comes from a blurb over at Variety where they reported on an international programming event with mention of "Legends Of Tomorrow."
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.
The Flash / Arrow spinoff, possibly titled "Legends Of Tomorrow," is due out next Fall starring Brandon Routh as Atom, Caity Lotz in an unknown role, Victor Garber as one half of Firestorm, Wentworth Miller as Captain Cold, Dominic Purcell as Heat Wave, Arthur Darvill as Rip Hunter and Ciara Renee as Hawkgirl. You can check out a spoiler-filled cast photo here.
Update: David Ramsey, who plays Diggle on Arrow, is reported to have referred to the spinoff as "Legends" while attending the Calgary Expo over the weekend.