With the rift that has occurred between Sony and Disney, it will not be hard to decipher that Tom Holland will probably not play Spiderman anymore in the upcoming films. There are some speculations that he may be cast as one of the characters in the DC Universe, but there are not enough details that are available in order to prove this. In fact, there are no reports that he is being cast as one of the characters in any DC movie as of now.
It is possible that he will be cast to play other characters in other films, but it is likely that he will not be a superhero in the other films. His fans are just excited to see what is in store for him in the future.