for reference this year Japan got 25 different Mario buttons for the 25th anniversary
http://www.n-sider.com/contentview.php?contentid=4135
I don't think it's outside the realm of possibility that we get something related to either the Mario or Zelda 25th anniversaries too.
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http://img59.imageshack.us/img59/4940/screenshot20110624at732.png
http://www.yourgamercards.net/trophy/a/CaptainRockman.png