This is a rare and highly collectible copy of Avengers #71, published by Marvel Comics in 1969. It features the first appearance of The Invaders, the World War Two superhero team consisting of  Captain America (Steve Rogers), Namor the Sub-Mariner, and the original Human Torch as battle three members of the Avengers: Yellowjacket (Hank Pym), Vision and the Black Panther as they serve as pawns in a contest between the Grandmaster and Kang The Conqueror. This issue also features the Black Knight (Dane Whitman) officially joining the Avengers. Also appearing in this key issue are Thor, Giant-Man (Clint Barton), the original Black Knight (Sir Percy of Scandia), Wasp (Janet van Dyne), and Iron Man (Tony Stark). The comic book is in 5.5 Fine- grade condition and comes boarded and bagged for protection. The cover features artwork by Sam Grainger (inks) and Sal Buscema (pencils), and the story title is called "Endgame." written by Roy Thomas. This key issue belongs to the Silver Age era and is a must-have for any fan of action, superheroes, and adventure and Golden-Age heroes of comics. Please view pictures and if you have any questions don't hesitate to message me, thank you.