Don't know if there was a code in the physical version, but I got 70 coins for AC3 downloadable version on Wii U
Thank you for that. This confirms it. The Download Version of 3rd Party launch Wii U titles have Early Registration while the retail versions give you nothing at all...
Edit: I've also updated the table from the OP accordingly and will add this to the questions list as it will surely come up more often.