Thomas Kretschmann has signed on to play a villain in Joss Whedon's Marvel sequel, Avengers: Age of Ultron.
The Dracula actor joins newcomers Elizabeth Olsen, Aaron Taylor-Johnson and James Spader -- who will play Ultron, the main villain -- in the second installment of The Avengers saga. The film will follow The Avengers as they "reassemble to battle the sentient robot known as Ultron."