The broad appeal of Captain America Civil War

Could it be because the age of the actors cuts across a wide spectrum?

Actor	Year Of Birth	Decade of birth	Age	Age decade
Chris Evans	1981	80s	35	30s
Robert Downey Jr	1965	60s	51	50s
Scarlett Johansson	1984	80s	32	30s
Sebastian Stan	1982	80s	34	30s
Anthony Mackie	1978	70s	38	30s
Don Cheadle	1964	60s	52	50s
Jeremy Renner	1971	70s	45	40s
Chadwick Boseman	1976	70s	40	40s
Paul Bettany	1971	70s	45	40s
Elizabeth Olsen	1989	80s	27	20s
Paul Rudd	1969	60s	47	40s
Emily VanCamp	1986	80s	30	30s
Tom Holland	1996	90s	20	20s

Nah, it's probably just because it's a good story. (Not great - but better than Age of Ultron).