FILE ‚Äì In this March 28, 1977, file photo, heavyweight boxing champion Muhammad Ali, left, makes a surprise appearance on the Academy Awards show, playfully sparring with actor and screenwriter Sylvester Stallone, right, in Los Angeles. Four decades after the Nov. 21, 1976, premiere of "Rocky," the movie's reach is international, and the title character's underdog tale of determination, grit and sleepy-eyed charm still resonates with fans. (AP Photo, File)