Originally Posted by cherokeesam
That's because that was the first we'd seen of The Avengers. With IM3, you've already got two full *real* trailers already out as well as shorter TV spots; this was just a rehash of some snippets of those, along with quick glimpses of scenes they've been filming since those trailers were released. Wish they could've shown some of the China footage, though.
Actually the first real look we got at The Avengers was the trailer/teaser with the NIN song "We're in This Together" that was released in like December 2011. I remember SLJ debuting it on Jimmy Fallon's show.