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Loki is the Norse god of mischief and evil and the adopted son of Odin All-Father, the ruler of Asgard. He is crafty, clever, and resourceful, using sorcery to achieve his intricate goals. Loki resents the glory and acclaim given to his adoptive brother, Thor, and he strives to place himself on the throne of Asgard. However, on the rare occasions when his goals overlap with Thor or other heroes, Loki has been known to ally himself with those he would otherwise detest.Marvel Source