Doing a Monkey Island 3a game would be the best. About the rights, maybe it's excessive to ask for full rights of the licence, no ? I mean, it's Disney, and they do not like to give away their licence that mean value, even if the serie is sleeping for now Disney side. Isn't it possible to agree just making this game, and leaving the licence to Disney?

Anyway, there's a petition to Disney, claiming giving the rights to Ron Gilbert :