https://www.techradar.com/news/marvels-supporting-characters-are-the-glue-that-holds-the-mcu-together
Opinion: Like The Simpsons, the MCU never underestimates the importance of its bit-part players
supporting charactersthe gluemarvelholds
https://collider.com/supporting-movie-characters-whose-story-arc-overshadowed-the-main-character/
Sep 20, 2022 - Movie characters like Alfred Pennyworth and Luna Lovegood had such intriguing storylines they often overshadow the protagonists.
the main charactersupportingmoviecharacters