Giant-Size Defenders #4 is a vintage comic book published by Marvel Comics in 1975. It features a team of superheroes including Hulk, Nighthawk, and Doctor Strange, known as the Defenders. The comic is a single issue in color format and is boarded. It falls under the action and adventure genre and is intended for a general audience. The comic is a part of the Marvel Cinematic Universe and is set in the Bronze Age era.