Question: 第一部钢铁侠电影是何时问世的
Answer: 2008-05-01; 2008 may, 01; 05/01/2008; 2008-05-01; 2008 05 01; 01/05/2008; 2008 5月 01; 05-01-2008; 01 05 2008; 01 5月 2008; 01-05-2008; 05 01 2008; 2008-05-02; 05/02/2008; 02 5月 2008; 2008 may, 02; 05-02-2008; 02/05/2008; 2008 05 02; 02 05 2008; 05 02 2008; 2008-05-02; 02-05-2008; 2008 5月 02