It’s only available on PlayStation 4 for 30 days with the Xbox One and PC version coming on April 30th. The reason for this is that this exclusivity deal was signed before Activision made the decision to no longer have exclusive content deals (with last year’s Modern Warfare being the first game to put that into action).
It’s $34.95 and includes the full COD: Modern Warfare 2 campaign remastered in 4K with HDR. The game doesn’t include any multiplayer as Activision want to bring classic Modern Warfare maps to Modern Warfare (2019) and keep expanding this.
Those that grab the game on the PlayStation Store (or on Xbox One/PC) will immediately get access to a ‘Underwater Demo Team Classic Ghost Bundle’ which will unlock the below in Modern Warfare (2019):- UDT Classic Ghost Skin