The Fire Demons were used by their fiery lord Surtur along with the Enchantress, to destroy Korbin, the homeworld of Beta Ray Bill. They were soon defeated when Bill gained help from Sif and Thor, and with his new acquired hammer, disposed off the Fire Demons.
- ↑ "The Ballad of Beta Ray Bill". Michael Ryan (writer) & Steve Gordon (director). The Avengers: Earth's Mightiest Heroes. May 20, 2012. No. 8, Season two.
- ↑ "Acts of Vengeance". Michael Ryan (writer) & Roy Burdine (director). The Avengers: Earth's Mightiest Heroes. April 15, 2012. No. 3, Season two.