Thanks for asking Rice Inc.
I was hoping to find this out too, before opening my Complete Edition package. I don't need to spend $30 on this retail game, if it does not contain everything in the inital game and the Ultimate pack for 1000 Microsoft Points. The back of the package could have been more clear and used a list or more details instead to indicate what was in the package.
But FYI: items on Xbox Live will not show as purchased if you buy a retail version of the game with the DLC available on the disk. The purchase history is based on profile history not what is saved on your console hard drive or on the game disk in the disk tray.
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