Board Thread:Manga/@comment-26056057-20160509020829/@comment-26932251-20160519015543

Well, if those are military fatigues he is wearing, and there's never any attire like it at any earlier point in the story then that does reveal a little bit the nature of the world outside of the walls. Zeke makes a reference to baseball and a perfect game... we might be getting subtle hints that the world of Attack On Titan might take place in "reality" but in the future.