How many avenger movies in 3d?

All four Avengers movies—"The Avengers" (2012), "Avengers: Age of Ultron" (2015), "Avengers: Infinity War" (2018), and "Avengers: Endgame" (2019)—were released in 3D. Each film was designed to enhance the cinematic experience with three-dimensional visuals, making them widely available in 3D formats in theaters.