The 71011 LEGO Series 15 Collectable Minifigures will be officially released on February 1st, 2016 (North America). However, Target Stores in America are now carrying the little guys at $3.99 each! Thanks to forum members Bystander and vorpalblade for the news and tred912 for the image.
For those living in European and Oceania countries, LEGO Shop at Home is now carrying them instock.