Sam Wilson (Falcon/Captain America) and T’Chal…

Captain America vol 1 (start date 1968), issue 169 (published 1974)

Art by Sal Buscema

Sam Wilson (Falcon/Captain America) and T’Challa (Black Panther)

Mainstream comics’ first African superhero (T’Challa) and first African-American superhero (Sam) hit it off at their first meeting. T’Challa created and constructed Sam’s first set of wings, giving him flight capabilities.