Another problem with doing stuff like Aragorn and Arwen's first meeting is that it screams "prequel." The Hobbit is not a prequel. It was not intended to be, and it remained a clear stand-alone even after LOTR was published. It deserves to be made a movie on its own merits with its own material, without making it LOTR Episode I.
That's one of the many things I don't like about the Star Wars prequels (don't even get me started about their many shortcomings). They repeatedly throw in hints and nods and allusions to the old movies. Even if you wanted to (which no one would), you can't watch the new movies without already having seen the old ones. I don't want The Hobbit to be like that. I want it to be a film you can sit down and watch, having never seen LOTR (even though everyone has), and enjoy.
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"If you're referring to the incident with the dragon, I was barely involved. All I did was give your uncle a little nudge out of the door."
THE HOBBIT - IT'S COMING
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