Movies
Norton has previously denied any involvement in the film, but instead offered a "no comment" when asked about the movie in an interview last week.
"I probably won't comment on that just because they keep a pretty tight rein on what they are letting out," Norton said in a group interview promoting the documentary By the People: The Election of Barack Obama. "I'll let them [address it]."
In Norton's 2008 film The Incredible Hulk, Robert Downey Jr. appeared as Iron Man after the credits, implying that the Hulk would appear in The Avengers film.
The stars from the forthcoming Iron Man 2, Thor and The First Avenger: Captain America movies are already confirmed to reprise their roles in The Avengers.
The Avengers is scheduled for release in 2012.
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This Week's 5 Hottest Movie VideosTrailers for The Avengers and Spider-Man are among this week's highlights in film.
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