Iron Man's blockbuster performance brings on announcement of more to come

Iron Man's opening weekend grossed over $100 million prompting Marvel to announce that Iron Man 2 will be out in April 30, 2010 along with more Marvel heroes, including:

• Thor on June 4, 2010;
• Captain America the following year, May 6, 2011; and
  
• The Avengers on July 2011.