Coogler added that seeing Boseman “that up close” while filming Black Panther and having “to do scenes across from” him helped Jordan — who played villain Erik Killmonger in the 2018 superhero film — “lock in” to play twin brothers in Sinners, which released on April 18.

Marvel execs “freaking out” over Chadwick Boseman’s Wakandan accent being used throughout shooting shows they must have had no idea what a method actor they hired. But the late MCU star's deep dedication to T’Challa came in full swing to not only throw a punch like a Wakandan warrior, but speak like one as well.

"Black Panther" director remembers Disney execs being worried about Chadwick Boseman's accent while visiting the set.