Questions about Ubisoft Assassin's Creed: Shadows

Ah yes, the peak historical accuracy of assassins creed 2, where you had to fight wizard-pope with superpowers

Yes, the Digital Deluxe expansion can be purchased separately in the respective manufacturer's store, regardless of the disc version of the game.

According to my research, it is unfortunately not clear at the moment. The release date has been postponed and the Gold Edition has been removed, as I could see. I would recommend waiting to see what else Ubisoft announces.