Premiere for X-Men: Days of Future Past. The world premiere of X-Men: Days of Future Past occurred at the Jacob K. Javits Convention Center in New York City on May 10, 2014. It was released in international markets in 2D and 3D theaters on May 21, 2014, and in the United States on May 23, 2014. Premiere events were also held in London, Beijing, Moscow, Singapore, São Paulo, Melbourne, and Tokyo.