The world they knew is rapidly changing, nature is literally taking over, and, as time passes, the communities confront unexpected obstacles and danger.
Black Panther is a winning movie when it features its sterling cast celebrating their virtues and solidarity and a still respectable enough action spectacle when called upon for big screen duty.
Apocalyptic politics apparently translates most clearly as the "walking up to the biggest inmate on the first day of incarceration and trying to kill them."