"Thanos" pathos: In his ComiX-Fan forum, Marvel editor Tom Brevoort tries to clarify Jim Starlin's reasons for leaving "Thanos," but ends up widening the mystery:

"I don't really think it's appropriate to get into these matters publicly, but I will say that Jim's reason for leaving THANOS had nothing to do with working on THANOS itself; it had to do with another matter entirely."