Klaw (Ulysses Klaue)[3] is a supervillain appearing in American comic books published by Marvel Comics. The character is depicted as a human physicist who has been transformed into solid sound, and who wears a sonic emitter on his right wrist as a prosthetic device. He is often in conflict with the Fantastic Four and the Avengers, and he is also an enemy of the Black Panther and Ka-Zar.[4] The character is featured in other Marvel-endorsed products such as arcade and video games, animated television series, and merchandise such as trading cards. Andy Serkis portrayed Klaue in the Marvel Cinematic Universe (MCU) films Avengers: Age of Ultron (2015) and Black Panther (2018), and the Disney+ series What If...? (2021).