Today Marvel announced new release dates for Iron Man 2, Thor, The First Avenger:Captain America, and the Avengers.
The new dates are:
Iron Man 2- May 7, 2010 (unchanged)
Thor- June 17, 2011
The First Avenger:Captain America- July 22, 2011
Avengers- May 4, 2012
“This new schedule strongly sequences Marvel’s movie debut dates, big screen character introductions and momentum. It maximizes the visibility of our single character-focused films, leading to the highly anticipated release of the multi-character ‘The Avengers’ film in 2012,” – David Maisel, Chairman, Marvel Studios.
Marvel and Sony Entertainment also announced May 6, 2011 as the release date for Spider-Man # 4