North America start the battle on 21st November
European Smash Bro’s will be able to get their hands on Smash Bros for Wii U on December 5th.
Japan will join the battle on 6th December
12 Amiibo figures coming out on Nov. 28, in Europe. 6 Amiibo figures to be released on Dec. 19.
In North America, Amiibo will launch on Nov. 21
There’s also a special Mario Amiibo bundle:
Source – http://www.neogaf.com/forum/showthread.php?t=907934