have announced that the re-mastered versions of Monkey Island 1
will be joined together into the Collection. However, also included in this collection is some never seen before bonus content, LucasArts had the following to say:
Monkey Island Special Edition Collection will also include never-before seen content including environment and character concept art from both the Special Edition versions of both games. Music fans can also tap their toes along to the remastered and re-recorded soundtracks for both games. And most exciting, players will also receive storyboards and concept art from an Industrial Light & Magic exploration of a Monkey Island, animated movie that was never released.
This retail bundle will be available September 9th, it's important to note that it is European only.