A dying 15-year-old boy draws stories of an invincible superhero as he struggles with his mortality. "Death of a Superhero's" titular character is fifteen years old, and fifteen is a pretty rough age. The body's changing, hormones are overloading the brain, and the once pointless female is miraculously the best thing on the planet. Combine that with school, starting to think about your future, parents, a menial job, and being surrounded by other hormone imbalanced punks, and fifteen is a pretty crappy age. But that's what the average fifteen-year-old boy has to deal with. Adding chemotherapy into the mix is only going to make life all the more unbearable. "Death of a Superhero" is about Donald (Thomas Brodie-Sangster) coping with his life- threatening cancer. Given his low chance of survival, Donald toys with the idea of suicide. He stands in front of trains and teeters on the edges of bridges.