忍者蝙蝠侠大战极道联盟忍者蝙蝠侠2,ニンジャバットマン対ヤクザリーグ,蝙蝠侠忍者大战极道联盟,忍者蝙蝠侠大战极道联盟 Batman Ninja vs. Yakuza League

Only a day after returning from the past, Batman and his allies discover that the world isn't quite the same as they left it. The entire island of Japan no longer exists and neither do the heroes of the Justice League. But before they can get a handle on what is going on, yakuza literally start raining from the skies.