Let's start with the fact how Kopa was never and is not canon nor a movie character at all: link.
But some people think that the еще believers Kopa has the еще real he'll become. As in that if many enough believe in him as canon regardless of Дисней saying he's not, Дисней would make him into what those believers want him to be.
Well, Kopa believers: If I were you, I wouldn't hold my breath. And here's why.
The Книги and Kopa are outsider written and look what happened: Дисней approved him for profit and childrens' entertainment in Книги known only in USA and did not even refer to him in the...