The secret sauce that has made the Marvel Cinematic Universe the most successful franchise in the history of the movies is the casting, overseen by the MCU's majordomo, Kevin Feige. From the jump, Feige has been nothing less than an unprecedented genius in this department.
Robert Downey Jr., a has-been ball of trouble only a few years out of prison on drug charges, lit up Iron Man, the first MCU picture back in 2008. Then Feige surfaced the unknown Chris Hemsworth to play Thor, and the indie actor Chris Evans for Captain America, and the sitcom second banana Chris Pratt for Guardians of the Galaxy, and the light comic Paul Rudd for Ant-Man, and the scrawny British kid Tom Holland for Spider-Man, and a heretofore ponderous biopic performer named Chadwick Boseman for Black Panther.
These...