As it turns out, some people are already playing the new Anniversary Map Pack,
and are already finding some of it's secrets.This shows a squeaky doll hidden on each map that is wearing the famous BOB, GRD, whatever-you-want-to-call-it helmet. The first thing that comes to mind is that this is a reference that either: The helmet is still out there, waiting to be discovered, or that this map pack will bring things that aren't being mentioned.
I'm gonna cry if this is DLC armor. Then I'm going to cry tears of joy if I learn that DLC armor includes other things besides GUNGNIR's and EOD's ugly baby.
