When informed that he had "invaded the Kingdom of Victor Von Doom:, The Red Hulk responds "oooooh, is this Latveria, Doc? I knew I should of taken that left turn at Albuquerque." (old Bugs Bunny running gag line).
Stan Lee: Voice cameo as used car salesman 'Smiling Stan'. His face can briefly be seen on a billboard, he uses his catchphrase 'Excelsior' and refers to his nickname 'Stan the Man'.