Over the years,Supergirlhas faceda wide range of strong villains. Most of the villains were either aliens or metahumans, as non-powered beings posed very little threat to the Girl of Steel. Lex Luthor ...

The first trailer for Supergirl was released last month. While it ended up being a little overshadowed by the Avengers: Doomsday teasers, there's still plenty of excitement among DC fans to return to ...