Black Ops 1 and 2 are not available on the PlayStation 4 (PS4) due to several reasons. One of the primary reasons is that both games were developed for the previous generation of consoles, specifically the PlayStation 3 (PS3), Xbox 360, and PC.
No, Call of Duty: Black Ops 2 was not officially released for the PlayStation 4. It was originally released for the PlayStation 3, Xbox 360, and PC. However, the game is not backward compatible on the PS4, so it cannot be played on that platform. No.