It has not yet been released but it is already rumored that there will be a second part of the film that Steven Spielberg is directing about the famous character Clink created by Hergé.
The rumor has been raised by writer Anthony Horowitz by making the following public:
“I'm working in Hollywood right now, I'm writing a movie, even as we speak. I have been hired to write Tintin. "The Secret of the Unicorn" is being directed by Steven Spielberg and has been written by Steven Moffat, of course, the author of "Doctor Who" in this country, and the film is expected to be a success and work and get a good audience . That's why I'm writing the sequel to it, 'Temple of the Sun', which Peter Jackson is going to direct. "
However, we will have to wait for the first film to be released and find out if the public turns it into a success so that its producers bet on making a second part.