Marvel is reportedly taking steps to correct a significant mistake related to Spider-Man, although the specifics of the mistake and the project involved are unclear. Some outlets suggest the correction will be made in an upcoming Spider-Man film, such as Spider-Man 4, while others imply it may be addressed in a different project, like Spider-Man: Brand New Day or Avengers: Doomsday. The nature of the mistake and how it will be fixed have not been consistently reported across outlets.