Justice League Unlimited #20 Cover A Dan Mora

PERIL OF THE POWER PLANET! Lex Luthor and the Dark Knight are the heart of the mystery surrounding Brainiac Queen's return, and a surprising connection between the two men is driving a wedge into the JLU. Meanwhile, the mission to shepherd the JLU's power repository from the Watchtower to Oa goes awry, and you'll never believe that it was all Guy Gardner's fault. Well, I mean, you might believe that. I do.

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