Hoth Bricks somehow has gotten an image of the retail display stand for the Series 13 LEGO Collectible Minifigures (71008). A few days ago, there was a list that was revealed that could be the minifigures that will be in the next wave.
From the image above, you can see that they will be in a green packaging and we can see a few more of the characters including the Unicorn Girl and the Snake Charmer that we saw a few days ago which confirms that the list is legit. The minifigures in Series 13 that are confirmed in the image are bolded below.
Hot Dog Guy