<P> In November 2011, Marvel announced that Alan Silvestri, who scored Captain America: The First Avenger, would write and compose the score for The Avengers . Silvestri said, "I've worked on films where there have been a number of stars and certainly worked on films where there have been characters of equal weight in terms of their level of importance and profile in the film, but this one is somewhat extreme in that regard because each of these characters has their own world and it's a very different situation . It's very challenging to look for a way to give everyone the weight and consideration they need, but at the same time the film is really about the coming together of these characters, which implies that there is this entity called the Avengers which really has to be representative of all of them together ." Silvestri developed the score with the London Symphony Orchestra at Abbey Road Studios in London, England . Whedon said, "The score is very old - fashioned, which is why (Silvestri) was letter - perfect for this movie because he can give you the heightened emotion, the (Hans Zimmer) school of' I'm just feeling a lot right now!' but he can also be extraordinarily cue and character specific, which I love ." </P> <P> In March 2012, American alternative rock band Soundgarden announced through its Facebook page that its song "Live to Rise" would be included on the film's soundtrack . Additionally, the Indian rock band Agnee released a music video for its single "Hello Andheron", which serves as the theme song for the film's Indian release . Hollywood Records released the soundtrack concept album inspired by the film, Avengers Assemble, on May 1, 2012, the same day as the score . </P> <P> In February 2012, Disney announced that the film's title would be changed in the United Kingdom to avoid confusion with the British TV series of the same name, as well as its 1998 film adaptation . This led to confusion over the film's actual title . Empire magazine reported that the film would be titled Marvel Avengers Assemble while The Hollywood Reporter said that it would be called simply Avengers Assemble . Marvel's UK website refers to the film as Marvel's Avengers Assemble, although David Cox of The Guardian, in arguing that it was one of the worst film titles ever, considered this to be an error in the production notes, albeit grammatically clearer . According to the British Board of Film Classification and the Irish Film Classification Office, the title is Marvel Avengers Assemble . Frank Lovece in FilmFestivalTraveler.com addressed the discrepancy, writing, "The Avengers--formally titled Marvel's The Avengers onscreen, though no apostrophe - s appears on the posters ..." Producer Kevin Feige said there are only two words in the UK title, one more than in the U.S. title, and stated that "decisions like that aren't made lightly and there are lots of marketing research, lawyers and things that get into the mix on it". </P> <P> The film's world premiere was April 11, 2012, at Hollywood's El Capitan Theatre . The Avengers closed the 11th Annual Tribeca Film Festival with a screening on April 28, 2012 . The film received an expanded one - week theatrical push for the 2012 U.S. Labor Day weekend, increasing the number of theaters from 123 to 1,700 . </P>

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