conflicts with Chuck forced him to drop out. In July 2012, Mikkelsen stated he would not be appearing in the sequel due to prior commitments, "That's not happening unfortunately. I had a meeting with [the filmmakers], but it was a bit too late and then Hannibal came in...It's just not happening". At the 2012 San Diego Comic-Con International, it was announced that the film would be titled Thor: The Dark World. At the end of the month, residents near Bourne Wood in Surrey, England were notified that a film going by the working title, Thursday Mourning would be filming in the area. In August of that year, Christopher Eccleston entered final negotiations to play Malekith, and the film was scheduled to shoot in Iceland, where Taylor shot parts of Game of Thrones. By August 22, Kat Dennings was hired to reprise her role as Darcy Lewis and Adewale Akinnuoye-Agbaje was cast as Algrim. At the end of the month, film crews for Thursday Mourning began set construction at Stonehenge near Amesbury, England. Filming Principal photography began on September 10, 2012, in Bourne Wood, Surrey, England, under the working title Thursday Mourning. A few weeks later, Clive Russell was cast as Tyr, and Richard Brake was cast as an Einherjar captain. At the end of the month, Jaimie Alexander was injured on the London film set, after she slipped while walking in the rain. On October 12, 2012, production moved to Iceland with filming taking place in Dómadalur, Skógafoss, Fjaðrárgljúfur and Skeiðarársandur. Iceland Review described the shoot as being among the most extensive film projects to have ever taken place in Iceland. The film's official synopsis was released, which revealed that Christopher Yost and Christopher Markus and Stephen McFeely had also contributed to the screenplay. Markus and McFeely said Feige had approached them in between writing drafts for Captain America: The Winter Soldier (2014) to work on the Dark World script. Three days later, Disney announced that the film would be released in 3D. In late October, filming commenced at the Old Royal Naval College in Greenwich, London. Filming also took place at Shepperton Studios and Longcross Studios in Surrey between October and December 2012. Other filming locations included Wembley, Borough Market, Hayes and Stonehenge. Alexander tweeted that principal photography wrapped on December 14, 2012. In a 2013 report on film production costs for films from FilmL.A. Inc., indicated a gross