I think it's going to be a replica of mankind and his creator (God, Bing Bang, Evolution etc).
A scenario where the creation becomes smarter than the creator there by causing unbalanced in the system, that's what will happen to AI, it's gonna get to a level we the creator won't be able to handle it, and by the the game is over for us = Doomsday, End of the world .............
RE: How Do You Feel About AI Doing Creative Stuff?