Vixen is an upcoming web series (it premieres August 25, 2015) on the CW Seed (CW's online-only network) based on the DC Comics character of the same name. It takes place within the same universe as the CW's Flash and Arrow, and stars Megalyn Echikunwoke as Mari McCabe/Vixen, a young woman who discovers a family heirloom that allows her to transform and gain the powers of different animals. It is produced by Marc Guggenheim, who is part of the creative team behind Arrow, as well.
http://cwseed.com/shows/vixen/vixen-comic-con-trailer/?play=5e6ed8b6-c1c1-4f2b-8577-859bd97758e7