Comic Natalie have posted a bunch of screenshots from the upcoming live-action Attack on Titan film. Among these is a new character by the name of Shikishima (above), who is only present in the movies, and not the original source material.
You can check the screenshots out below. The Attack on Titan film will open in Japan on August 1st. A second film will follow on September 19th. The two movies will also be released in Australia and New Zealand by Madman.