A second season of the anime series was announced on the opening day of the first theatrical film, which was originally set to be released in 2016. It was then confirmed in the January 2017 issue of the Bessatsu Shonen Magazine that the second season would premiere in April 2017. Masashi Koizuka directed the second season, with Araki acting as chief director. It has also been licensed by Funimation. It ran for 12 episodes.

did attack on titan season 2 come out?

(1). no.
(2). yes.
(2).