Avengers 4 leaked set photos: Some new images and concept art for Avengers 4 have made their way online. The Russo Brothers are currently in Atlanta filming the re-shoots for the highly anticipated Marvel Cinematic Universe movie, which has provided some leaked images from the set. However, these new leaks are a mixture of concept art and photos of a new look at Brie Larson as Captain Marvel. The concept art shows off the Ronin costume as well as new looks at Captain Marvel, Thor, Hulk, the classic Iron Man suit, and more.