What’s atop Supergirl’s to-do list after rejoining the JLA? Fight Power Girl to the death, apparently! What other horrors await the Justice League and Justice Society in this prologue to “The Ghosts of Earth and Space”? Only writer James Robinson and artist Mark Bagley know for sure, but the preview below might hold a few clues.

JUSTICE LEAGUE OF AMERICA #45 hits 5/19.

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