Trailers Weekly: Smurfs, Chronicles of Narnia Sequel, Legend of the Guardians, and More! Dan Koelsch, June 20, 2010June 20, 2010 Trailers Weekly is a feature in which we bring you the most popular and talked about trailers of the week. Sharing trailers is a classic viral practice, and trailers are still the most mainstream way for people to learn about movies. This week had a larger than normal quantity of…