Sterling K. Brown still remembers his favorite onscreen death. “As a Black actor, you die a lot on screen. Real talk,” the Oscar nominee, 47, said on The Drew Barrymore Show on Monday, February 26. Though he has had memorable deaths on the big screen in Black Panther and The Rhythm Section, it is actually a TV show that holds a special place in his heart. “My most favorite one was on Supernatural, where I became a vampire hunter,” Brown explaine…