Who is the only person who can calm Hulk down?

Who is the only person who can calm Hulk down? Black Widow is the second person in the MCU seen being able to calm down Hulk following Betty Ross – Bruce Banner’s love interest in The Incredible Hulk, both women taking an animal kingdom-like approach for dealing with him.

Black Widow is the second person in the MCU seen being able to calm down Hulk following Betty Ross – Bruce Banner’s love interest in The Incredible Hulk, both women taking an animal kingdom-like approach for dealing with him.