Here are designs I did for Episode 4, plus unused Wakandan crowd characters. Kuda & Tafari were fun to create; leaned heavily towards Yoruba/Hausa aesthetics. The masks of the future Dora were later refined by Mindy Lee.
Kuda & Tafari in Battle Gear
Kuda & Tafari in Casual
Future Dora Mask Exploration
Ethiopian Soldiers
Merchant Tribe
Mining Tribe
River Tribe