Zheng Zu (Chinese: 鄭祖), originally known as Fu Manchu (Chinese: 傅满洲 Fù Mǎnzhōu), is a fictional supervillain appearing in American comic books published by Marvel Comics. Based on Sax Rohmer's character of the same name, he is the leader of the Five Weapons Society criminal organization and the father and arch-enemy of Shang-Chi. Tony Leung Chiu-wai portrays a character partially inspired by Fu Manchu called Xu Wenwu in the Marvel Cinematic Universe film Shang-Chi and the Legend of the Ten Rings (2021).