There are no wrong answers! This is the phase of researching when you can let your mind go wherever it wants to.
Main topic: Masculinity and performativity
Narrow: Cultural interpretations
Narrower: Portrayals of masculinity in movies
Focused topic: Masculinity as portrayed in the "Rambo" series and "Falling Down"
Research Question: How was the concept of masculinity performed in the "Rambo" series and "Falling Down"? What did these portrayals reveal about the expectations of masculinity in certain settings?