Marvel's Hulk and the Agents of S.M.A.S.H. - Season 1 Episode 20
Stranger in a Strange Land

To help the aspiring magician, A-Bomb get a lesson in hard work, Hulk puts him under the tutelage of the Sorcerer Supreme Dr. Strange -- but when the dreaded Dormammu abducts his teacher, A-Bomb has to use what he learned to save Earth!