‘Avengers: Infinity War’: Chadwick Boseman, Mark Ruffalo and Danai Gurira (FULL INTERVIEW)

ET sits down with Chadwick Boseman (Black Panther), Danai Gurria (Okoye) and Mark Ruffalo (Hulk) to discuss the secrecy of the Marvel Cinematic Universe and opening up the doors to Wakanda.