Medusa is the Queen of the Inhumans and the primary interpreter for her husband Black Bolt, the King of the Inhumans. Medusa is best known for her long, thick head of red hair, which she can psychokinetically wield like countless extra appendages.
A-Bomb's crush on a mysterious girl named Crystal leads the Agents of S.M.A.S.H. to Attilan the secret home of the Inhumans, an isolationist race that keeps themselves cut off from mankind. The Agents of S.M.A.S.H. even take action when Maximus the Mad makes plans to annihilate mankind.