According to the latest Spider-Man: Far From Home fan theory, Mysterio created the video that J. Jonah Jameson plays during the post-credit scene after his battle with Peter Parker.
A new Spider-Man: Far from Home fan theory believes that Mysterio is alive and well.
The Spider-Man: Far From Home fan theory originated from Reddit.
Jake Gyllenhaal played an excellent version of Mysterio in Spider-Man: Far From Home, but will he show up in the sequel?