MIGHTY THOR (1989) #462

Pluto has learned of Thors madness, and he and Ares decide to attack Thor in revenge for past defeats; But they have sorely underestimated his anger and madness, and beats them easily; Odin asks Sif if she knows of anything that might help Thor, and she answers no, hiding his madness and assault on Bill; Pluto and Ares return to Olympus and tell Zeus that Thor is mad and attacked them without provocation.