You’ve seen the heroes assemble. Now check out the gnarly and out-of-this-world Big imperfect at the middle of The CW’s upcoming crossover between Supergirl,The Flash, Arrow and Legends of Tomorrow. A new teaser for the special event, and kicking off with Supergirl‘s Nov. 28 episode,offers up a first contemplate at the Dominators, an alien race that previously vexed […]
Source: tvline.com