The film was released on 12 May 2010 in 12 countries , including the United Kingdom and Ireland , and was also the opening film at the 2010 Cannes Film Festival the same day . It was released in a further 23 countries the following day , among them Australia , and an additional 17 countries on 14 May 2010 , among them the United States and Canada . It was thus released in 52 countries within three days . However , it was not released in Japan until 10 December 2010
2010 Cannes Film Festival
2010 Cannes Film Festival
Robin Hood (2010 film)