The Black Knight (Dane Whitman) is a fictional superhero character appearing in American comic books published by Marvel Comics. Created by writer Roy Thomas and artist John Buscema, the character first appeared in The Avengers #47. Dane Whitman is the third character to use the codename of Black Knight. He is the descendant of the original Black Knight and is the nephew of the supervillain Black Knight. He inherited a mystical sword which carried a curse and took the Black Knight mantle to help restore honor. From Wikipedia