Marvel Universe titles such as The Avengers and X-Men. As well as brief appearances in the Spider-Man and The Defenders comic series, he was the starring character in two four-issue miniseries Loki in 2004 and 2010. Loki played a key role in the 2010s company-wide Siege storyline, in which the character is eventually killed. Starting with issue #622 the ongoing series Thor reverted to the original title Journey into Mystery and shifted focus to Loki. Under the pen of Kieron Gillen, Loki is resurrected but exists in a child's body, remaining the main character from 2011 to 2012, his final issue as lead being #645. Gillen, joined by penciller Jamie McKelvie, continued his Loki storyline by introducing Loki, still as Kid Loki, as a main character in the second Young Avengers, which began in 2013. In issue #11, he manipulated Wiccan into restoring him to his teenaged form. A solo series for Loki called Loki: Agent of Asgard was announced for 2014. Writer Al Ewing said that among other things, the series would explore Loki's bisexuality and fluid gender identity, writing "Loki is bi and I'll be touching on that. [He will be] shift[ing] between genders occasionally as well." Another solo series for Loki called Vote Loki started in 2016. In this series Loki decides to run in the US presidential election, but loses seemingly after his tricks are uncovered by the media; he is later revealed to have lost intentionally on behalf of the then-winning candidate. Fictional character biography Many years ago, when Bor, ruler of Asgard, was battling frost giants, he followed a wounded giant to a powerful sorcerer that was waiting for him. The sorcerer caught him unaware, turning Bor into snow. Bor's son, Odin, found his father as he was blowing away; Bor begged Odin to find a sorcerer to free him, but Odin made no attempt to save his father. Bor cursed Odin saying that he would take in the son of a fallen king and raise it as his own. Not a week later, Odin himself led the Asgardians into battle against the Frost Giants and killed Laufey, who was the King, in personal combat. After slaying Laufey, Odin found a small Asgardian-sized child hidden within the primary stronghold of the Frost Giants. The child was Loki; Laufey having kept him hidden from the Frost Giant people due to his shame over his son's