How did Mufasa become king? How did he meet his wife Sarabi or the mandrill Rafiki? What role does Scar play in this? The final trailer for the film Mufasa: The Lion King raises these questions. The film is the prequel to one of the greatest Disney classics – the Lion King from 1998 and its remake from 2019. The upcoming real/CGI film tells the backstory and shows how Mufasa became the Lion King in the first place. The film will be in cinemas on December 20th.