According to Þórarinn Björn, @Thrugl on Twitter, the Alan Taylor-production will use a portion of his family's land, which happens to include a beautiful canyon known as Fjaðrárgljúfur. The canyon is located in South East Iceland, while the nature of the shoot is unknown as well as when shooting will take place.
The 2nd shooting location is supposedly one of Iceland's biggest waterfalls, called Skógarfoss. Located in the southern part of the country, according to Reykjavik, access to the waterfall will be limited due to filming for Thor: The Dark World, this Friday.
And last but least, Icelandic site Visir is reporting that the star Chris Hemsworth has been spotted in town, and that he'll be shooting scenes at Landmannalaugar. The famous region, popular for hiking, is located near the volcano Hekla in southern Iceland. Google Translated, the site reports that filming may last a week. Special thanks to @Thor2fans!
Fjaðrárgljúfur
Skógarfoss
Landmannalaugar
Exploring Thor's relationship with the Asgardian all-father Odin, as well earthbound companion Jane Foster, “Thor: The Dark World” follows the God of Thunder to The Nine Realms beyond Asgard and earth. And as his evil half-brother, Loki, returns for Asgardian justice, a new threat rises. Also rejoining Thor are his fellow Asgardians, Lady Sif, gatekeeper Heimdall and Warriors Three, as they encounter mythical Norse creatures among evildoers.
“Thor: The Dark World” stars Chris Hemsworth, Natalie Portman, Anthony Hopkins, Tom Hiddleston, Idris Elba, Christopher Eccleston, Jaimie Alexander, Zachary Levi, Tadanobu Asano, Stellan Skarsgard, Ray Stevenson, Adewale Akinnuoye-Agbaje, Rene Russo, with Alice Krige & Kat Dennings. And Alan Taylor (“Game of Thrones”) takes over directorial duties from Kenneth Branagh, who helmed the first “Thor” film. From a screenplay by Don Payne and Robert Rodat, “Thor: The Dark World” is set for release on November 8, 2013.