They just showed concept art of creatures in the game from the book. Also from the looks of it the devs haven't even showed us the half of the goodness pertaining to this game. From what this is showing us it seems we're staring into the future with this game. This is only speculation from looking at the pics but there could be a monster vs titan theme going on here.
http://www.ign.com/articles/2014/02/18/titanfall-maps-monsters-and-story-details-to-blow-your-mind











