If you live in Canada, apparently Futurshop and Best Buy are allowing you to trade in ANY game(except Wii games) for either Call of Duty Ghosts, Battlefield 4 or Assassin's Creed 4.
At the bottom of the article is a list of a handful of cities not doing the deal.
http://business.financialpost.com/2013/11/08/future-shop-offering-new-call-of-duty-assassins-creed-and-battlefield-titles-for-free-with-single-trade-in/?__lsa=d367-3831