You will Watch Justice League Season 1 Episode 12 online for free episodes with HQ / high quality. Stream cartoons Justice League Episode 12 War World Superman and J’onn J’onnz are abducted by extraterrestrial slave traders and are sold to a planet of the despotic ruler Mongul where the population spends its time watching aliens kill each other in an enormous colosseum. Green Lantern and Hawkgirl set out to rescue them.
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