A Kryptonite asteroid crashes into Gotham’s Bay. It is revealed to hold a pod that contains Superman’s cousin Kara Zor-El.
Superman is thrilled, but Batman argues her arrival is too coincidental. Wonder Woman abducts Kara to Themyscira to train her for combat
Darkseid kidnaps Kara, intending her to be the new leader of the Female Furies. She is rescued from Darkseid and taken back to Earth.
The villian follows, seemingly killing Kara at the home of Jonathan and Martha Kent. An enraged Superman throws Darkseid into the reality-spanning Source Wall, entrapping him.
However, Kara’s dying was a ruse plotted by the three heroes and the young Kryptonian girl. Kara is back in Themyscira and is introduced to the world as Supergirl.