Bruh, Letitia was the side kick, not the hero. She was good, and a fan favorite, but it takes more than that to carry a franchise.
Well..besides the charisma she showed. Wasn't like she sat on the sidelines and watched everybody else stop Killmonger.
She played a pivotal role as well, from fight to her tech.
So again..........
Y'all outright dismissing her, is crazy. Anybody else y'all can possibly think of to play BP would be a question mark just like Letica.