User blog comment:Dante-Must-Die-Mode/Feelings about the Live Adaptation.../@comment-5774380-20150717122543

You don't need to base your impressions in the trailer, some person watched the movie and wrote a review. Various of your doubts are answered there: http://shingekinokyojin.wikia.com/wiki/User_blog:Manuel_de_la_Fuente/Review_of_Attack_on_Titan:_Live-Action_Movie