talked to Robert Kirkman about Morrissey's casting:
Robert Kirkman wrote:
It was really important to me that no one gets the sense that we're neutering the Governor from the comics or holding anything back in any way. We're definitely going to do the character justice, and season three will be that much crazier and that much more intense because of it.
The interview is completely free of comics spoilers, so anyone can read it without fear of learning specific details about the Governor and the events he was involved in. Kirkman mainly talks about why Morrissey is the right actor for the role.