What "first" did the comic book character Black Panther achieve with its debut in 1966?

But the Black Panther character first appeared in comic book pages decades before the hit film. Marvel Comics' first Black superhero debuted in Marvel's “Fantastic 4” comic in 1966, and became a member of the Avengers two years later. By 1977 the groundbreaking superhero was starring in his own comic

What comic did Black Panther first appear in?

But the Black Panther character first appeared in comic book pages decades before the hit film. Marvel Comics' first Black superhero debuted in Marvel's “Fantastic 4” comic in 1966, and became a member of the Avengers two years later. By 1977 the groundbreaking superhero was starring in his own comic.

Explanation:

the answer is somber