If you are looking for a purely multiplayer experience, the PC version on Steam (or the Plutonium project) is generally recommended over emulation.
Set this to Vulkan or Direct3D 12 for the best performance on modern Windows PCs. Download Call Of Duty Black Ops 2 Dolphin Emulator
Install the software and follow the setup wizard to detect your controller. Step 2: Obtaining the Black Ops 2 ISO If you are looking for a purely multiplayer
Black Ops 2 was one of the most demanding games on the Wii. To get it running smoothly at 60 FPS, use these settings in Dolphin: Graphics Settings Download Call Of Duty Black Ops 2 Dolphin Emulator