2003 in production history

February

 * 9 February - Daredevil has its premiere in Los Angeles, California.
 * 14 February - Daredevil is released in the United States.

April

 * 24 April - X2: X-Men United has its premiere in the United Kingdom.
 * 24 April - X2: X-Men United has its United States premiere in Hollywood, California.

May

 * 2 May - X2: X-Men United is released in the United States.

June
17 June - Hulk has its premiere in the United States. 20 June - Hulk is released in the United States.