From the update:
The first stretch goal for the Zombie Plague Kickstarter will be a multi-part model of Joe Zombie, the basic ZP antagonist. Each mini will come with two sets of arms and three heads to allow for variation and customization. If we reach our first stretch goal of $3200 one of these will be added to each sponsorship level of $20 and above. They will be available as add-ons at a discounted price as well.