Who are the main characters in the marvel universe?

A list of every character that can be found on the Marvel Database. With well over 10,000 characters in existance, this is one of the most complete listings that can be found anywhere. See below for link.

Some of the more popular Marvel comics characters include Spider-Man, Iron Man, The Incredible Hulk, X-Men, the Fantastic Four, the Mighty Thor, the Avengers, and Captain America.