Marvel Comics' team of Avengers debuted in September 1963, and the book brought together the Marvel superheroes of Captain America, The Hulk, Iron Man, Ant-Man, and Thor. Though the Avengers characters in the roster has changed throughout the years, the Avengers members just keep on being totally awesome, including the characters highlighted in the Marvel movie, The Avengers:

Ant-Man Black Panther, Black Widow, Captain America, Doctor Strange, Falcon, Fury, Hulk, Hawkeye, Hulkbuster, Iron Man, Loki, Maria Hill, Nebula, Nick Okoye  Red Skull, Spider Man, Shuri, Thor, Tçhala, Thanos, Ultron, Vision, Wasp, Winter Soldier (Bucky Barnes), Warmachine and other Avengers