Following the cancellation announcement creator and showrunner Bryan Fuller attempted to shop Hannibal around to other outlets such as Netflix or Amazon Prime.
As game as Mikkelsen says he is, one does wonder how his scheduling might affect his ability to return to Hannibal.
Arguably most in demand of Hannibal’s cast members has been its titular star, Mads Mikkelsen.
When one considers that, it would simply be rude not to come back, and it’s well known what Hannibal thinks of the rude.