The first volume covers Marvel in general, while the second through sixth volumes go into further detail on the X-Men, The Hulk, Spider-Man, the Marvel Knights, The Avengers, and the Fantastic Four, respectively.
Marvel Comics | Marvel Universe | Marvel | Marvel NOW! | Thor (Marvel Comics) | encyclopedia | Marvel UK | Catholic Encyclopedia | Marvel Entertainment | Encyclopedia | Marvel Studios | Mary Marvel | Encyclopedia Americana | Arcade (Marvel Comics) | World Book Encyclopedia | Ultimate Marvel | New International Encyclopedia | Mutant (Marvel Comics) | Marvel Mystery Comics | Marvel Girl | Great Soviet Encyclopedia | Encyclopedia of Triangle Centers | Daredevil (Marvel Comics) | Marvel: Ultimate Alliance | Marvel Super Heroes | Marvel Spotlight | Marvel Rating System | Women's Studies Encyclopedia | The Canadian Encyclopedia | The Anime Encyclopedia: A Guide to Japanese Animation Since 1917 |