Rumor - Rare Teasing Killer Instinct 3

Here we are again in the rumor mill and this time it's Rare's turn to step up. Apparently the image below is taken from the new Banjo-Kazooie game, where a merchant is trying to sell Banjo a copy of Killer Instinct 3 before it hit's the market. However this image is not from Rare and was uploaded by a user online.

So is this image an actuall teaser from Rare for KI3 or is it some useless Internet proporgander, who knows check it out.

The Allegeded Screen