Ed Hannigan began his career in comics in the 1970s. He has worked at Marvel and DC as a penciller, writer, cover designer and editor. He has done regular stints on 'The Defenders' (late 1970s) and 'Spectacular Spider-Man' (1981-82). In the early 1990s, he has done work on DC's 'Superman'. Throughout the years, he has been mainly active as a cover artist.