It was in 2 and 3 December 2014 when we had a consecutive crossover between the two big guns of DC television universe, The Flash and Arrow.
The crossover was a huge success for both the CW shows and earned them ratings better than ever. After that, we have had a lot of rumors on more crossovers among the DC and Warner Bros television ventures.
A popular rumor has been centered around the upcoming DC female superhero series on CBS, Supergirl. We don't have a cast confirmed yet, rather than just rumors.
The latest rumor concerned with casting links hot British actress Gemma Atkinson with the lead role, Kara Zor-El (click here for details).
Crossover With Arrow & The Flash!
"˜The Hollywood Reporter' had brought recently executive producer of Arrow, Marc Guggenheim along with Marvel's Agent Carter showrunners Tara Butters and Michele Fazekas for a multi-party interview.
It was Michele Fazekas who asked Guggenheim if a crossover of the upcoming CBS show with the two CW shows would be there. The executive producer neither wasted any time, nor did he hesitate to say that it's possible.