Batwoman is a DC Comics superheroine. Katherine "Kate" Kane is a wealthy heiress who becomes inspired by the superhero Batman and chooses, like him, to put her wealth and resources towards a campaign to fight crime as a masked vigilante in her home of Gotham City. Played by actress Ruby Rose as the lady crusader, and established in "Elseworlds", Batwoman joins Arrow, The Flash and Supergirl in the Arrow-verse cross-over "Crisis in Infinite Earth" in 2020. Practise your elite martial arts skills and don the red and black.