Hey, I've just finished this. I did mine on the representation of female superheroes in Marvel comics and got an A, so naturally will be less help on others but if you choose representation I can try and help out!
Based on what you have to learn for the exam though, if you're doing narrative you might want to try and focus on theories (Todorov/Propp/Levi Strauss), because not only will you get familiar with them for the exam, it'll also be easy to do your production if you can find a recurring narrative theory.