It's not a Bird...It's not a Plane.....It's not a Man...It's Supergirl! Watch theTrailer

CBS is getting into the superhero game this fall with Supergirl, starring Melissa Benoist as the less famous cousin of Superman. Now 24, Kara decides to embrace her Kryptonian superpowers and become the hero she was always meant to be. Supergirl premieres this fall on CBS. Watch the first Supergirl trailer, below.