Film School Dropouts on Instagram: "Christopher Nolan's Dark Knight trilogy helped legitimise superhero films by injecting the genre with a sense of gritty realism and gravitas, something encapsulated in the minimalist graphics that opened each film. Batman Begins starts with a swarm of screeching bats, faintly forming the iconic Batman emblem in an orange sky -- a symbol of fear Bruce attempts to overcome by letting it define him. The Dark Knight opens with a fiery blue bat emblem, foreshadowin