Seriously? There are people who get annoyed at other people for finding enjoyment in things? Especially things as awesome and epic as the AVENGERS? geez. >.<
I get annoyed when it detracts from my experience of the movie. For example...
*Spoilers*
I hardly even heard Hulk's "puny god" line because everyone was still clapping and laughing because of the "Hulk beats the crap out of Loki" thing that preceded it.