Re: Should Black Panther be the Leader of the Avengers if Chris Evans leaves as Cap
Interesting question. I personal would say no, not right away. I wouldn't want a new character to immediately be the leader
Maybe introduce him in Phase 3, Cap dies in Avengers 3, they ultimately have no leader. BP has a film and appearances in Phase 4, with him proving his leadership in the climax of Avengers 4.
But we are way out from that happening.