Answer
Kurse, played by Adewale Akinnuoye-Agbaje, is a formidable antagonist in "Thor: The Dark World." Once a loyal servant to Asgard, Kurse transforms into a monstrous creature after being exposed to the Aether, an ancient and powerful force. With his immense strength and resilience, Kurse poses a significant threat to Thor and the Asgardian realm.