Chadwick Boseman repeatedly says 'I'm dead' to avoiding 'Avengers: Endgame' spoilers

We're sorry to bring up this painful memory, but as a reminder, at this very moment Chadwick Boseman's Black Panther character, T'Challa, is dead.
The Black Panther was one of many people (half the world's population, to be exact) killed by Thanos in Avengers: Infinity War, and ahead of Avengers: Endgame, Boseman's decided to keep his mouth shut during press interviews to avoid spoilers.
In a recent red carpet interview with Access, when asked about Boseman's future with Marvel, he simply said,