New Delhi, July 22 -- The fourth solo Spider-Man film starring Tom Holland has revealed enough to encourage speculation, but not enough to explain the full story. Peter is older, alone and fighting crime full-time in a world that no longer remembers his civilian identity. The official story also confirms that he undergoes a physical evolution that threatens his existence, while a powerful villain who cannot be seen emerges as a major threat.

That combination has made the film a particularly fertile ground for fan theories. Unlike a standard superhero sequel, Brand New Day appears to be deliberately hiding the answers to several central questions, including the identity of its main villain and the role played by Sadie Sink.

Here are some...