Robert Downey Jr. Wants to Know Which ‘Avengers: Endgame’ Star Rocks the Best Mustache

ComicBook - 03-20

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There is nothing more enjoyable than the online banter between the cast of the Marvel Cinematic Universe. The actors behind the Avengers clearly have love for each other, often posting adorable messages of friendship and sometimes hilarious displays of competition. Robert Downey Jr., who is best known to Marvel fans as Tony Stark/Iron Man, took to Twitter today to air on the competition side of things. With photos of himself, Mark Ruffalo (Bruce Banner/The Hulk) and Chris Evans (Steve Rogers/Captain America) all sporting mustaches, the actor wants to know who wore it best.