Hellboy and the B.P.R.D.: Professor Harvey is Gone one-shot

A paranoid antiquities professor goes missing, and Hellboy’s search for him takes a dangerous turn when the same person who was after the professor might be after Hellboy as well.

Mike Mignola writes and Giuseppe Manunta (le dîner de Noël, Hellé Nice, une Table pour 2) draws this new one-shot!