So I just found this: (don't click if you don't want to be spoiled!)
http://29.media.tumblr.com/tumblr_lw...ct0ho1_500.jpg
Could this be ACIII? I, personally, would LOVE it. I love that setting and everything related to it, so if this turns out to be the next game, I'll cry tears of joy.
What do you think?