Create the ultimate superhero with Injustice 2: Legendary Edition for Xbox One. Choose from the biggest collection of DC heroes and villains ever assembled in a fighting game, and use gear and skills to level them up before heading into battle. Injustice 2: Legendary Edition continues the epic saga of Injustice: Gods Among Us, putting Batman in charge of rebuilding society with the help of the DC Comics universe.
A: Physical copies have a shelf life and need to be sold by retailers, but with digital copies they barely go on sale cost nothing to sell so can stay forever at any price. You are better off buying from the Playstation store or Xbox marketplace, Nintendo eshop, etc. if that is your preference is to digital games. They are the same game just a matter of physical and digital, plain and simple.