Sequences of violent action. "The Justice League are Earth's finest super heroes and protectors of humanity. But in the mind of the Dark Knight, they are potentially the most dangerous people on the planet should any of them go rogue. Over time, Batman has compiled top-secret contingency plans in the event he is forced to neutralize one of his fellow Justice League members such as Superman, Wonder Woman, Green Lantern, Cyborg, Martian Manhunter or...