Because of the Frost Giants attacking the 9 realms at the beginning of the film, the casket of ancient winters, and with the Thor sequel titled Thor The Dark World, Malekith and the dark elves are assumed to be the villains that Thor will face off against in the sequel.The only question is, who will be up to play Malekith if Mads Mikkelsen does not do the villain?
Christian Bale
Tom Hardy
Adrien Brody
Hans Matheson
Rhys Ifans
Jason Flemyng
or
Wes Bentley
Feel free to decide which of these actors deserves the role of Malekith the Accursed