Honestly, despite a vast amount rambling about it, I think Herobrine shouldn't be in the Minecraft movie.
Herobrine shouldn't be present or even acknowledged in any official media whatsoever except little tiny snippets and easter eggs. Let him be a ghost of a presence.
I feel confirming his existence and establishing him as a character robs him of being the myth, the legend he is. There really is no bigger picture and most things people agree on still are just popular fan interpretations that stuck around or stem from popular videos or something.
Herobrine is vague. He can be shaped into any interpretation you have for him and it still makes sense. A ghost. A dead brother. A glitch. A griefer. A tragic figure. An error in the game. A ruler of mobs. A hacker. A demon. A prototype. A virus. A player stuck. A king of the nether. A trickster. A god.
If he ends up in any bigger role in official media instead of being a figure in the fog, suddenly all the mystery is shattered. Suddenly there is a canon.
And I don't want that.
