HiDDEN MICKEYS!
Yes there will be hidden mickeys all over the park!! in rides and in normal lands, They will be shaped like Mickeys Head like the picture below, and all three blocks will be the same Material like Below, So have fun seeking out all the HIDDEN Mickeys!!
Hidden Mickey in Pirates of the Caribbean:
Another hidden mickey
This is Another form of a Hidden Mickey that will be around the park as well as the one Above :)