Injustice 2 #21
Written by Tom Taylor
Art by Mike S. Miller & Daniel Sampere
Cover by Tyler Kirkham
Booster Gold trains Blue Beetle, while over in Kahndaq, Wonder Woman trains Supergirl. Damian heads to Gorilla City to join Ra's al Ghul and his allies, only to walk into the middle of Grodd's rebellion against King Solovar.