The answer can probably be found in LEC's Monkey Island press release, a document you should read if for no other reason than that you actually exist in a world where you can read a Monkey Island 5 press release. A paragraph of particular note:
These efforts are just the start of LucasArts' new mission to revitalize its deep portfolio of beloved gaming franchises. In addition to these Monkey Island projects, LucasArts recently revealed that the classic adventure game Indiana Jones and the Fate of Atlantis (originally released in 1992) is included as an unlockable bonus in the Wii version of Indiana Jones and the Staff of Kings, set to be released on June 9. Additional announcements are forthcoming.I know I should know better than to so quickly let LucasArts back into my life after all those betrayals, but damn if she isn't looking smoking hot in that lingerie.