Greek underworld his duty was to bring these souls to the underworld and no one would persuade him to do otherwise. Cerberus (Kerberos), or the "Hell-Hound", is Hades' massive multi-headed (usually three-headed) dog with some descriptions stating that it also has a snake-headed tail and snake heads on its back and as its mane. Born from Echidna and Typhon, Cerberus guards the gate that serves as the entrance of the underworld. Cerberus' duty is to prevent dead people from leaving the underworld. Heracles once borrowed Cerberus as the final part of the Labours of Heracles. Orpheus once soothed it to sleep with
Pluto (Marvel Comics) ruling the underworld unaware of that the contract actually binds him to serve as ruler of the Olympian Underworld in Pluto's place, as he believes the movie is about him conquering the Netherworld by defeating Pluto. Thor learns of Pluto's deception and challenges him on Hercules' behalf. Pluto sends Thor into the Olympian Underworld where his goal is to defeat Pluto's minions. After witnessing Thor's remarkable progress which destroys much of the Underworld which Pluto has spent centuries building, Pluto becomes disgusted and destroys the contract, releasing Hercules. Pluto next invaded Earth with mutates from an alternate future. He clashed