"First look", Rose captioned the post, adding bat and heart emojis.
The Flash returns to The CW tonight, followed by Supergirl and Arrow next Sunday and Monday respectively. Once established, Batwoman will receive her own standalone series overseen by Greg Berlanti, and scripted by Caroline Dries. Fans were incredibly excited that a queer woman was cast in the role, as Batwoman is one of the highest-profile lesbian superheroes in comics, and fans are hoping to see her sexuality represented when she heads to screens later this year. I guess Barry and Co won't get much rest after their landmark 100th episode airs on December 4.More news: What to expect in Orlando area from 'monstrous' Hurricane Michael
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This year's Arrowverse crossover is already causing a ton of excitement amongst DC fans.
What do you think of the Batwoman costume?
In the comics, Kate Kane has had relationships with Renee Montoya and Maggie Sawyer.
The particular version of Batwoman that Rose will be playing is Kate Kane, who has been presented in the comics as a wealthy heiress in the Gotham City social scene.