On the 40th anniversary of the Nintendo video game Mario Bros, and ahead of the release of a new film starring Chris Pratt, Arwa Haider explores how the plucky character Mario has gone from arcade games to Hollywood. Back in the mid-1980s, I was thrilled to unwrap a hi-tech gift for my ninth birthday: a handheld Game + Watch version of the arcade hit Donkey Kong. I played the game obsessively, cap