Soon as we're in the age of "smart toys" like the BB-8 smart toy etc. Why not have a Ghost smart toy in the collectors edition for the 2nd game or just in general? Give it a few interactions and its own app or something maybe.
Destiny has 4 subforums dedicated to it. #Gaming is dedicated to discussing games other than Destiny. Your thread is currently making an idea for Bungie. The proper place for such a thread would be #Feedback. Please edit your thread's tags so that it's in the #Feedback subforum instead of #Gaming.