History
Loki's history presumably mirrors his Earth-12041 counterpart's up to the point where the power of a Sorcerer Supreme and the All-Father. He then unleashed the All-Dark from the Casket of Darkness upon Yggdrasill, which began consuming the World Tree and led to the end of reality. Loki became mad with power and believed he was powerful enough to survive the end of the universe, but he was incorrect and died along with the rest of reality.[1]