Home People Dennis O'Neil Dennis O'Neil movies Dennis O'Neil movies Dennis O'Neil Movies (8) Superman vs. Batman: When Heroes Collide (2013) As Himself. He was 73 years old Batman Unmasked: The Psychology of the Dark Knight (2008) As Himself. He was 69 years old The Legends Behind the Comic Books (2008) As Himself. He was 68 years old The Mythology of Superman (2006) As Himself. He was 67 years old The Science of Superman (2006) As Himself. He was 67 years old Look, Up in the Sky! The Amazing Story of Superman (2006) As Himself. He was 67 years old Legends of the Dark Knight: The History of Batman (2005) As Himself. He was 66 years old Comic Book Superheroes Unmasked (2003) He was 64 years old
