In October, DC's Justice League will head to Japan for a good old fashioned crossover with the popular Eagle Talon franchise, and producer DLE Inc has released a teaser with English subtitles:
https://www.youtube.com/watch?v=W9HE5IkfgOwVideo can't be loaded because JavaScript is disabled: 映画『DCスーパーヒーローズvs鷹の爪団』特報（2017年10月21日公開） (https://www.youtube.com/watch?v=W9HE5IkfgOw)
The description of the film gives you an idea of the tone of this story:
Joker[...]
