Supergirl #21 Blank
This page covers the Blank edition of Supergirl #21, published by DC and released August 8, 2018. Values and details shown here apply specifically to this edition; first-print pricing and the complete cover gallery are on the main issue page.
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 believe!
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