'Avengers' Joss Whedon fans have been waiting for. For quite some time. The first trailer for 'The Cabin in the Woods' has arrived! Starring Chris Hemsworth, Richard Jenkins and Bradley Whitford, 'Cabin' was written and produced by geek god Whedon in 2009 and set for release in 2010 -- long before Hemsworth even appeared in 'Thor.' Unfortunately, studio finance issues caused the film to sit on the shelf for two years. Here's what you've been missing.