I don't know how it is done, or really, if it can be done. Don Simpson tried it years ago. Dave Sim tried it with his phone book editions. I don't think that either of them achieved the success they had hoped for. I assume you are going to be distributing self published comics. Am I wrong there? Desperado Publications is a small company that distributes on the internet.
Jeez, granfalloon, that longer post above might be one of the most thoughtful, best written things I've ever read on Comicon.