Today, it was announced that the third season for the show Mysterious Joker will be returning in April of 2016. The anime is based off of the manga (of the same name) that is written by Hideyasu Takahashi. The manga series started in 2008 before receiving an anime adaptation in the Fall of 2014. The first two seasons can be caught on Crunchyroll under the name Joker.
Mysterious Joker is having a film event in February of 2016 that will comprise of compilation movies from the second season. Below is the trailer that details the release dates for the compilation films and that of the upcoming season:
Source: Comic NatalieTweet