Erik Killmonger's reign on the Wakandan throne was short-lived, but he is now the undisputed king of MCU antagonists. There's Killmonger, and then there's everybody else.
There was a time when debating the greatest Marvel Cinematic Universe villain of all time before "Avengers: Infinity War's" theatrical debut would have seemed pointless.
Let's refer to that time as B.K.: Before Killmonger.
Yes, "Infinity War" is only months away (May 4) and will feature the debut of Thanos, a mega-Marvel bad guy whose arrival is literally a cinematic event 10 years in the making. Yes, it will take the presence of every MCU movie hero alive in the ultimate team effort...