"Wii U will have in-game chat functionality for select games, including, but not limited to, Call of Duty: Black Ops II, Assassin’s Creed III and Mass Effect 3. This feature will be supported by licensed stereo headsets that plug directly into the headphone port of the Game Pad. Licensed headsets are available from Turtle Beach and TRITTON." - NoA statement

A reconfirmation of what we heard earlier today. It's still a bit puzzling. Nintendo seems to make real strides in some areas of online, but in others, they make odd decisions.