Supergirl: Past and Present (not finished)

Who is she? Is she Kara Danvers, Kara Zor-El, Supergirl, or Marley Rose? Truth is: She's all of them. • • • An alien breaks loose from DEO custody and sends Kara, Team Supergirl, the Glee club, and some others, to watch Kara's past and present! • • • No character belong to me! All characters belong to the CW and th...