To fix a lot of the WiiMote controls issues
Treyarch has released a new patch update of Call of Duty: Black Ops 2 for Wii U.
Treyarch has confirmed a new title update for the Wii U version of Call of Duty: Black Ops 2. This patch will introduce a number of balancing tweaks and fixes (already available on other platforms). They have included also a lot of fixes for the WiiMote controls.
Check out the full patch notes in this link.
NEWS SOURCE #1: Call of Duty Black Ops 2 Wii-U patch fixes Wiimote issues (via) VG247
NEWS SOURCE #2: Message #414032145 (via) Call Of Duty Community
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