And has deleted footage we haven't seen elsewhere. Starting around 2 minutes into this, you'll see additional Godfather Part II material playing under the credits, including Connie taking care of an older Michael. An 18 year old Anthony is supposed to show up here. At 3:21 you can see Michael...
And yet the product description on that page says, "Includes both the Theatrical and 1991 Cuts of THE GODFATHER PART III, as well as a special features Blu-ray featuring all-new content."
And the big, deluxe box says, "Number of disc: 1." :)
I'm not sure why there's confusion. The press release has a section detailing what's in the big deluxe box. If it had a unique disc it would be stated here. All it says is:
And then the press release states the theatrical and 1991 cuts of The Godfather Part III will be in the 4K "Collections."...