The hero we need is her. The first full trailer for the latest show from Berlanti and Co. comes to The CW Sundays this Fall. With the end of Arrow coming after its final eight episode run leading into Crisis on Infinite Earths, there will be a need for a new brooding vigilante in our Arrowverse. The CW and DC have dropped the trailer for Batwoman starring Ruby Rose as Kate Kane/Batwoman and you can watch it below. While you’re at it, check out the official poster as well!