Justice League Vs The Last Daughter of Krypton

Supergirl, when sent from her dying home, Krypton, her pod was knocked of course from earth and in stead sent to Apokolips to be taken in by Darkseid. Trained to be a killer and destroy planets Kara now have to fight the justice league for Earth only to meet her baby cousin. Will Kara manage to escape from Darkseid and return to her cousin or will she have to kill her only family?
Sorry I suck at summaries this is my first Fic