 A live-action film was announced to be in production in October 2011. In December 2012, it was reported that Tetsuya Nakashima left his position as director. According to film distributor Toho, Nakashima had considerable creative differences on the scriptwriting and other matters. In December 2013, Shinji Higuchi was revealed to be directing, and would also be responsible with the special effects. Writer Yūsuke Watanabe and critic / subculture expert Tomohiro Machiyama was announced to be scripting the movie with series creator Isayama. In July 2014, it was revealed that two films will be released in the summer of 2015. A teaser trailer for the first live-action film was released in March 2015. The following month, Toho released the second trailer for the first film, and announced the second installment will be called Attack on Titan: End of the World. In June 2015, a third trailer for the first film was released, revealing the Three-Dimensional Maneuvering Gear, as well as confirming the film will be released in IMAX theaters in Japan.
