I love the idea of Wonderland being the real world!! That would make total sense (in a OUaT sense of the word). If a character no longer exists in FTL or Storybrooke then they disappear and end up wandering around in Wonderland = the real world.
Do you ever wonder if the creators and actors from OUaT read these forums and just laugh???? I can see them all sitting together in a bar somewhere having a few drinks, reading our crazy theories . . .