The Marvel Universe is filled with so many amazing heroes and villains – how can one keep track of them all? Here comes the great encyclopedia of the Marvel Universe featuring over 40 key characters that every Marvel fan should know! Readers can familiarize themselves with the specifics in three sections: Spider-Man, Guardians of the Galaxy, and the Avengers. The descriptions in the sidebar are complemented by adventure stories to introduce each character and their place in the universe.