The most recent issue of Shueisha’s Jump SQ magazine announced that the 2017 TV anime adaptation of Kazue Katou’s Ao no Exorcist (Blue Exorcist) manga will air in January 2017, during the Winter 2016/2017 anime season.
The anime goes by the name “Ao no Exorcist: Kyoto Fujouou-hen” (Blue Exorcist: Kyoto Impure King Arc) and will feature the titular arc from the manga. It will be set after the events of the first anime season and the 2012 anime film.
In addition, a new visual was previewed which can be seen below:
The first promotional video for the upcoming season can also be seen below: