Board Thread:Manga/@comment-24407809-20160709015000/@comment-28752863-20160709071702

CommonSwift wrote:
 * takes out crystal ball*

Mikasa and Eren will attack Levi just as he is about to inject Edwin and give the serum to Armin instead.

However due to the shock of his injuries and the serum Armin doesn't remember a thing so when he starts to have flashes of Berthlot's memories he can't tell the difference and ends up betraying Humanity Boy!!..that escalated quickly!