An unlikely but still possible theory is that the early version was leaked to gauge reactions to the whole Deadpool thing, and depending on the fan’s reactions (which were as rabid as expected) they would either leave it be or change it using the additional material from the reshoots.

Why would they risk financial losses if the movie fails at the box office because of the leak? Maybe it’s a test to assess the true impact of piracy on movies. A stretch, I know, but perhaps they also intend to use any potential backlash to crack down on file-sharing and piracy.

Of course, all of those are mere theories, and like I said, very unlikely. Also, a small part of me hopes they fix the Deadpool issue in the finished movie, so I’m dying to see it. A devious marketing ploys to draw the more avaricious nerds into movie theaters and generate curiosity among movie-goers?