Warner Bros. has released the first trailer for its OVA adaptation of Batman:  The Killing Joke, due out later this year. The animated feature, directed by Sam Liu, is due out later this year, with fans expecting a distinctly adult feel. The title may provide Batman with his first ‘R rated’, or 15 certificate in the UK, title.

The 64-page graphic novel has been red-hot of late, hitting #4 on the March 2016 BookScan chart of the Top 20 Adult Graphic Novels in the book channel.

https://www.youtube.com/watch?v=DDj4zGFf4F8&feature=youtu.be