Misty Knight

Mercedes Knight, also known as Misty Knight, is a fictional character and superheroine from Marvel Comics and its universe, appearing as a major characters in numerous comics, such as Luke Cage, Iron Fist, and The Defenders comics.

She was originally a NYPD lieutenant who lost her arm on duty, but was given a bionic arm by Tony Stark and decided to leave the department after she was given a desk job. Becoming a private investigator, Misty worked with her close Colleen Wing stopping threats in New York, and helping superheroes. She is the partner of Luke Cage and Iron Fist, and a member of the Daughters of the Dragon, Heroes for Hire, Aberrant Crimes Division, Valkyrior's Defenders, and Daughters of Liberty.

She was created by Arvell Jones, Tony Isabella, Roy Thomas and Ross Andru, and first appeared in Marvel Premiere #21 in March of 1975.

Simone Missick portrayed the character in the Netflix television series Luke Cage (2016–2018), The Defenders (2017), and the second season of Iron Fist (2018), set in the Marvel Cinematic Universe (MCU).