DC's Darkseid and Marvel's Thanos finally fought one another to determine who is the strongest among comic books' most nihilistic cosmic despots.
Well, sort of...
In the great tradition of the former rival 'Big Two' comic book publishers paying homage to (and sometimes making fun of) one another's characters, writer Joshua Williamson created Tartarus, an analog of Marvel's Thanos for November 30's Justice League Incarnate #1, the majority of which takes place on DC's Earth-8, itself an analog
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