Many directors throw out allusions to the films that inspired their own work, but a few go so far that it evolves into a cinematic history-based obsessive disorder.
Good news for anyone who thinks Hollywood has milked superhero movies for all they're worth: They're about to start doing that with some other, way more specific genres!
With so many genres flooding the market, you may have missed out on some of the absolute craziest that ever existed. It is long past time to remedy that.