The eldest brother refers to theirs as a "traditional Italian American upbringing" in Cleveland. Extended family members, he says, were "always forming businesses together and running them together ... sort of the immigrant-family kind of dynamic."

So, of course, when Anthony Russo and his younger brother, Joe Russo, decided to become filmmakers, they worked together. More than two decades later, the Russo brothers have done well enough (including directing "Avengers: Endgame," the highest grossing film to date) that they've launched their own studio, AGBO.