If they were going to release a disc version they probably would already be doing it, and would've just made the disc initiate the game download.

Modern Warfare II released a disc version that only had like 70 MB on the disc, and you had to download the entire game. So if they were going to release a disc version, why wouldn't they just do it from the start and follow that release model? If none of the game install files were on the disc how would there be any leaks or spoilers? Just seems like people hoping for an actual disc version are going to be disappointed.