I remember talking to Fox licensing about this years ago and how they don't have the luxury of doing novels and comics the way Star Wars can with familiar characters. There needs to be Aliens in the stories and most characters don't survive the film in which they first encounter the Aliens.
Titan have obviously gone - 'Watch us'.
They asked me to pitch my 'Book of Morse' idea for the 30th anniversary, but then developed an allergy to returning emails.