The primary antagonist who traps teenagers in the Dream Dimension, transforming them into monsters that manifest in New York. He captures Doctor Strange and spreads fear across the city before being defeated and banished by Hulk, Strange, and the team.
Strange is Nightmare's principal magical opponent and is temporarily captured by him.
Doctor Strange plans a journey to the Dream Dimension to confront Nightmare, who captures him there before the final confrontation.
Hulk directly opposes Nightmare's fear-based attacks and monster-making plan.
Hulk travels to the Dream Dimension and later joins the battle against Nightmare, helping defeat and banish him.
Banner counters Nightmare inside the Dream Dimension through strategy and dream technology.
Banner enters the Dream Dimension and uses a dream version of the Hulkbuster armor as part of the plan to free the teenagers from Nightmare.
Explore the full interactive character relationship map of Hulk: Where Monsters Dwell