Looks like Rovio is extending it’s partnership with Fox by offering up a bonus to those who are willing to go out and buy Rio on DVD or Blu-ray. There will be codes included in the DVD and Blu-ray releases that will allow users to download 15 new Angry Birds Rio levels. Details are vague at this point, but from what we understand these codes will work on all devices that currently run Angry Birds Rio. No word on if the same code will work on more than one device (say you own an iPhone and an iPad); however, they have stated that the codes will be the only way to access exclusive levels.
Updates: