|Powers and abilities|
|First appearance||Stranger in a Strange Land|
|Voiced by||Maurice LaMarche|
Dormammu is the Ruler of the Dark Dimension, a being of immense mystical power. He uses his vast powers to conquer other universes and dimensions, earning himself the enmity of Doctor Strange in the process.
Dormammu and his army of Mindless Ones attempted to break through the barrier between Earth and the Dark Dimension. He caught Doctor Strange, but lost in a battle between him and Doctor Strange, A-Bomb and Hulk. He instead hide in Doctor Strange amulet and escaped in to the real world but defeated by the Agents of S.M.A.S.H., the house and Doctor Strange. Dormammu is consider to be one of Doctor Strange's toughest enemies.
On Halloween, the Agents of S.M.A.S.H. encounter Nick Fury's Howling Commandos (consisting of Blade, Frankenstein's Monster, Man-Thing, N'Kantu, the Living Mummy, and Werewolf by Night) where they have been sent by Fury to apprehend the Agents of S.M.A.S.H. However, The Howling Commandos have a change of plans when they end up helping the Agents of S.M.A.S.H. prevent Dormammu from breaking into Earth's dimension and turning all of humanity into Mindless Ones.
Dormammu is one of the most powerful magic-users. He is immortal having transformed his body into mystic energy, his body may be dissipated but he will always reform. Dormammu has demonstrated energy projection, protective shields, time travel, elemental/reality warping powers, teleportation, soul manipulation, life force absorption, energy and matter manipulation, and opening portals.