seems doubtful that James Cameron would care much about promoting a 30 year old movie that was widely rumored as a vehicle for him to get studio funding for his

seems doubtful that James Cameron would care much about promoting a 30 year old movie that was widely rumored as a vehicle for him to get studio funding for his deep sea explorations (ie not clear he has much attachment to it). Even strictly monetarily, spending 5 minutes on avatar 3 would probably be a much better return in terms of time spent : money earned.