Writers Christopher Markus and Stephen McFeely obviously established the character before fully knowing exactly what Coogler would be doing with his vision of the country, but soon we will see what kind of influence the remarkable African nation has on the protagonist — from the members of his immediate family, to his royal subjects, to the various atmospheres and environments.
People tend to act differently when they are at home versus abroad, so it’s totally understandable that we will get to see alternate shades of personality from the hero.
Looking at the other half of Chadwick Boseman’s quote, it’s also certainly exciting to see how Ryan Coogler’s vision of Wakanda winds up influencing and changing the character movie-going audiences first met in Captain America: Civil War.