Available now within Killer Instinct Xbox One’s KI store is Retro Thunder, the “classic” version of everyone’s favorite Native American fighter. For $2.99, non-Ultra Edition owners can add Retro Thunder to their cast, giving them even more options for a personalized Thunder. His base costume consists of a shaven head with a smooth looking leather jacket and jeans, but there is a shirtless and Mohawk accessories option to create a representation of his classic KI design. So hit up the KI Store today and add him to your roster!