FFDP doesn't need to support anything since they are still running on popularity with the younger crowd right now.
Also I know that Korn comment was a joke Detuned, but not only would that be a awesome tour. I'd say it isn't too far fetched. They just wouldn't be on Mayhem for it.
5/11 - The Wonder Years
5/19 - Jay And Silent Bob Live!!!!
6/16 - WWE PPV "Payback"