Nigerians get made fun of often for our different vocabulary and way of talking:
Podcast bros:
https://m.youtube.com/watch?v=TPCQpIJSQPc
Black Panther:
https://m.youtube.com/watch?v=bDWJ2Xk1BOI
Yes, the Jabari are based on Nigerians. Nigerian accent and idioms. Nigerian height and build. Brain and brawn. Right down to the adding of "Oh!" at the end of "We will not have it!" That's a classic Nigerian-ism!