Board Thread:Questions and Answers/@comment-27648540-20160128020406/@comment-25322628-20160228072117

One of the Warriors Three referred to Loki as a master of magic, and Loki, a Frost Giant and not as Asgardian, wasn't of the same level of power as Thor, so he needed to improve in a different manner. Loki would never best Thor in a fair fight, so he needed to learn how to be deceptive and clever. He's the Starscream to Thor's Megatron; a trickster and disgrace to a brute and (former) arrogant individual.