If you want a good example of how great Jimmy Havoc is, check out his initial heel turn in Progress Wrestling. Here's a decent vid that gives the barest edge of it:
It's worth the watch for all of it. I think if they start him off small and let him repeat that story while he works his way into being a fan favorite only to do a big turn...
Could be really awesome to watch. Or they could do something else. Could be mucho fun, regardless.