Muspelheim

Muspelheim is one of the Nine Realms. It is home to the Fire Demons. It is ruled by Surtur.

History
Muspelheim was the home of the Fire Demons, and considered to be the most dangerous of all, its hellish environment being hazardous even to Asgardians.

During the Convergence of 2013, Muspelheim was one of the realms that could be seen from Earth during the Battle of Greenwich.