The Wii U version of Black Ops II has a new patch that you can now download.
Activision and Treyrarch have not yet released official details on what the patch does, although Nintendo Everything has reported the following improvements from the game:
– Weapon balance fixes
– Return of the “Cursor Sensitivity” and “Cursor Speed” options for Wii Remote players
– Multi-Team, Mercenary Moshpit modes added
The patch is available now and is 106MB.