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Well, we are a few days before the premiere of My Little Pony G5, and we know that the movie is already being leaked on the internet, hopefully there are not many spoilers … so I have come to wonder, what happened to Equestria?
 
After checking out some MLP comics and watching the What if …? by Marvel.
 
I came up with these theories, obviously these would not be 100% correct (or make sense), but I will leave you some ideas to make you think.