Robert Downey Jr. has served as a mentor to his fellow stars in the Marvel Cinematic Universe (MCU), offering guidance and support. His wife Susan Downey revealed that he has been a source of paternal guidance and mentorship, with actors like Chris Evans and Chris Hemsworth seeking his advice. MCU head Kevin Feige praised Downey for being a cheerleader and a leader in the acting department, as everyone in the MCU looks up to him.