Greetings, Devil Dog! Welcome to the Call of Duty Forums. It looks like you're looking forward to Call of Duty: Modern Warfare III, but haven't created an account yet. Why not take a minute to register for your own free account now? As a member you get free access to all of our forums and posts plus the ability to post your own messages, communicate directly with other members and much more.
Turns out that one of the programmers in the early COD games had a daughter who died of leukemia.. As a tribute to her, he put a little teddy bear in the game..
It's been a staple of CALL OF DUTY games since..
Dunno if that is true or not, but as a father and grandfather, it's a nice sentiment..