Trailers Weekly: True Grit, Troll Hunter, I Am Number Four, and Skyline

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 we have a several first trailers and the second for the most recent alien invasion film.

True Grit (December 25th)

Troll Hunter (October in Norway)

I Am Number Four (February 18th, 2011)

Skyline (November 12th, 2010)

What did you think of this week’s trailers? Of course, every week there are a lot more trailers, teasers, TV spots, and clips that we can’t cover, so go to TrailerAddict.com to see your favorites, and to watch at least some of the ones above in High Definition. You can also download trailers in HD at Apple.com. Saw a trailer this week that you loved? Let us know in the comments below!