Monkey Island 3 'unlikely' says Ron Gilbert

Related Games:
Tales of Monkey Island, Tales of Monkey Island: The Siege of Spinner City , Tales of Monkey Island: Lair of the Leviathan, Tales of Monkey Island: The Trial and Execution of Guybrush Threepwood, Tales of Monkey Island: Rise of the Pirate God, Monkey Island 2 Special Edition: LeChuck's Revenge
Source:
IGN