 In October 2011 , Marvel Studios held a presentation at the New York Comic Con that featured new footage and a panel discussion including producer Kevin Feige and several cast members . The first full @-@ length trailer was also released in October . Comic Book Resources said , " The two @-@ minute teaser handily establishes the movie 's premise " and is " heavy on the assembling , but fans are also treated to plenty of action , as well glimpses [ sic ] of Iron Man 's new armor and , best of all , the new take on the Incredible Hulk . Naturally , Robert Downey Jr . ' s Tony Stark gets the best lines " . However , The Hollywood Reporter called it , " Awesome . Or it would be if we hadn 't seen all of this before and expected every single thing that we saw in the trailer " . The trailer , which debuted exclusively on iTunes Movie Trailers , was downloaded over 10 million times in its first 24 hours , breaking the website 's record for the most @-@ viewed trailer . This record was surpassed by the trailer for The Dark Knight Rises , which was downloaded more than 12 @.@ 5 million times in its first 24 hours . The trailer received 20 @.@ 4 million views in the 24 hours after it debuted . A second full @-@ length trailer was released on iTunes in February 2012 , reaching a record 13 @.@ 7 million downloads in 24 hours . The theatrical trailers of The Avengers appeared with many films , including Mission : Impossible – Ghost Protocol , 21 Jump Street and The Hunger Games . 
