User blog comment:Awyman13/Assassin's Creed Unity at E3 2014/@comment-4068211-20140615112347/@comment-94.0.243.104-20140615201747

In the trailer (Yes, I know its CGI) at the beginning when the 4 Assassins first start move two climb down, one runs along the roof, and the 4th appears to leap of faith off... so from that I would suggest they will appear