"Kick-Ass 2" To Get Dumb?

It was rumored yesterday that "Dumb & Dumber" star Jim Carrey is in talks with Universal to join the cast of "Kick-Ass 2". He's said to be playing the role of Colonel Stars, one of the two leaders of Justice Forever crime-fighting group.
"Kick-Ass" creator Mark Millar mentioned on his Facebook page that he can't confirm or deny anything related to this report/rumor.