Issue: #21 B
Mourning the loss of the Kryptonians wiped out by Rogol Zaar, Supergirl decides to play detective and sets off into deep space to learn more about the would-be usurper. Using whatever tech she can scrounge, Supergirl builds a star cruiser, and after intel from Green Lantern, she blasts off into the cosmos with Rogol Zaar’s deadly axe to solve the mystery—along with a traveling companion you won’t...
First appearances: Hakmon
Creators: FCO Plascencia, Tom Napolitano, Brian Cunningham, Jessica Chen, Paul Mounts, Kevin Maguire, Amanda Conner, Sean Parsons, Terry Dodson, Rachel Dodson, Marc Andreyko
Characters: Hal Jordan, Superman, Ace, King, Queen, Ten, Supergirl, Supergirl, Krypto, Jeremiah Danvers, Eliza Danvers, Alura, Zor-El, Hakmon, Rogol Zaar
Story arcs: The Killers of Krypton