It was previously announced that the CW will be getting a Batwoman appearance, played by Ruby Rose. The appearance will occur during a three-part crossover between The Flash, Arrow, and Supergirl TV shows titled Elseworlds. It looks like CW's Batwoman is the modern version, Kate Kane, who first appeared in 2006's 52 series.
Today, a first look has been released featuring Ruby Rose in a costume designed by Colleen Atwood:
Ruby Rose as Batwoman
Elseworlds starts on Sunday, December 9 in The Flash, and continues on Monday, December 10 with Arrow, and concludes on Tuesday, December 11 in Supergirl. Batwoman is expected to eventually get her own series.