Supergirl is going on one final mission. The superhero series, which follows the adventures of Superman's cousin, Kara Zor-El (Melissa Benoist), will officially end after the upcoming sixth season, ...

Throughout the series,Supergirla 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 was ...