Shinya’s Tsukamoto’s “Mr. Nelson, Did You Kill People?” is headed to Japanese cinemas. The film rounds out the Japanese director’s informal trilogy of 20th-century war films, coming after “Fires on the Plain” – which landed in the main competition at the 71st Venice International Film Festival – and “Shadow of Fire.” The project gestated for seven years before reaching the screen. Rodney Hicks takes the title role. The actor is known for his involvement with Broadway’s “Rent” from its opening