Talk:How to Train Your Dragon: The Hidden World/@comment-27981516-20180929183648/@comment-27981516-20180929224653

It's not fake. It's a prediction that can happen or could happen like new trailer this Monday, new poster this Sunday, etc.

Fans of the movie can predict on How To Train your Dragon 3 on rumors in the movie or a new song performed by Jonsi along with the music score of the 3rd movie.