Keith Haynes was a welder for Blade, special effects technician for Daredevil, Iron Man, Thor, The Avengers, Iron Man 3, Captain America: The Winter Soldier, Guardians of the Galaxy, Ant-Man, Captain America: Civil War, Guardians of the Galaxy Vol. 2, Spider-Man: Homecoming, Avengers: Infinity War, Ant-Man and the Wasp, Captain Marvel, Avengers: Endgame, WandaVision episode "Filmed Before a Live Studio Audience", 5 episodes of The Falcon and the Winter Soldier, Black Widow and Loki season 1.