Konig wheels can be purchased at ton's of places. Even more then likely your local tire shop can get them, that's how accessible they are. You can contact one of them and ask them to special order a single wheel for you. Or you could contact Konig directly, see if they can get it for you. Or if Konig can tell you whom to contact to get it for you. There are a variety of ways you can go about obtaining the wheel.
A google search for "konig wheels" yields 107,000 results.
http://www.google.com/search?ie=UTF-...q=konig+wheels
A google search for "Konig villians" yields 110,000 results, ironic though.
http://www.google.com/search?hl=en&s...illain&spell=1