Dragon Ball Super
Dragon Ball Super closed its anime broadcast last March, with the end of the Tournament of Power with the epic fight between Jiren vs. Goku, Android 17, and Freezer. Now, with the wait for the movie, a new theory could point out that Beerus would be responsible for the existence of the Evil Saiyan in the movie.
However, all of this would have an explanation. Apparently, Beerus, or Bills, would be responsible for everything that will happen in the movie, according to a new theory that is discussed in the forums of Dragon Ball Super. This theory begins in the saga of Black Goku.
When Beerus eliminated Zamasu, the apprentice of the Kaio-shin, due to the revelation against his master and his future murder, a new timeline was created where he was not destroyed. Along with this, a new time ring would be created. Whis explains everything in one of the episodes of Dragon Ball Super:
Now, this theory suggests that Zamas would have managed, in this other timeline, to control a powerful Saiyan, or create it with the Dragon Balls, and then return to the original timeline where he was eliminated to take his revenge.
However, this theory does not explain who the new enemy of Goku is or why he is so excited to fight him. It's only a matter of time before Toei Animation reveals more information about the highly anticipated premiere in December. What do you all think?
See also
Dragon Ball Heroes: This is what will happen in the first episode of Goku's new anime.