The Dark Dimension is a reality in the Marvel Cinematic Universe. In the comics, It is home to the demonic entity known as Dormammu, who conquered the realm.
In the Marvel Cinematic Universe, while still ruled by Dormammu, residents such as Morgan Le Fay and Dormammu's niece, Clea live here.
Agents of S.H.I.E.LD.[]
The spirit of Vengeance lives in the Hell portion of the realm and Ty Johnson draws his dark powers from the dimension as well. Nico Minoru of Marvel's Runaways also draws power from the Dark Dimension.
Marvel's Runaways[]
When the Runaways ventured into the Dark Dimension, they relived their worst fears.
