SUPERGIRL: THE COMPLETE THIRD SEASON Featuring 2017 Teen Choice Award Winner for Choice TV Actress: Action (Melissa Benoist) Includes Exciting Featurettes, DC Crossover Event and Much More! Soaring Into Homes On Blu-ray™ & DVD September 18, 2018 BURBANK, CA (May 29, 2018) – Just in time for the fourth season premiere on The CW, catch…