“Captain America: Brave New World” director Julius Onah is a proud American, but he’s also a truly international director. Born in Nigeria, a globetrotter through his earliest years, and now based in Berlin, the indie filmmaker behind “Luce” was a bold choice to direct one of Marvel‘s biggest tentpoles and bring a new Captain America, Sam Wilson, to the big screen.
But as with any MCU movie, Onah isn’t making a film — even one with “America” in the title — just for…