On August 28, 2020, Chadwick Boseman died of cancer, a disease he kept secret from the public. One titanic 2020 Boseman performance had already hit Netflix: His supporting role as Stormin' Norm in Spike Lee's Da 5 Bloods. And in December, we'll see Boseman's final film role as musician Levee in George C. Wolfe's Ma Rainey's Black Bottom, also coming to Netflix. These two performances amount to an exclamation point for Boseman's career, a one-two of craft and talent we'll be sure to talk about all year. And Netflix will be pouring …