Asmodel has that light of heaven thing. That might make Mangog dissipate and Thanos has killed billions. That might be too much for his ugly soul to bear. Physically, Assy is probably just around Thanos lvl. Validus would prolly fry drax's poor lil mind. Shaggy man is out classed by Mangog in strength but outclasses him in durability. If we are going by shaggy man and Not general eiling.