It looks like Activision has, for whatever reason, slapped the word 'Reflex' onto the end of Call of Duty 4 on Wii.
The now-named CoD 4: Reflex is sat in a recent Nintendo Holiday Line-up release for a November 10 launch. CoD: World at War developer Treyarch is in charge of the Wii port, which was originally crafted by Infinity Ward for 360, PS3 and PC.
You should check out these screens because it actually doesn't look too bad. Then check out these hands-on impressions of Call of Duty: Modern Warfare 2's multiplayer mode, because that's what really matters.