Sony at their E3 keynote have confirmed , that Call of Duty games starting with Call of Duty Black Ops 3, will launch with DLC first on PlayStation platforms. Activision used to have a similar deal with Microsoft, that started with Call of Duty Modern Warfare 2 until Call of Duty Advanced Warfare.
The deal with allow PlayStation owners to get DLC a month before other platforms. With a exclusive beta for Black Ops 3 , also coming to PlayStation owners in August.