While Kang the Conqueror may be the opposite of the heroic Thor, he does have one unusual quality in common with the Avenger's legendary hammer, Mjolnir. This was revealed in Avengers Annual #21, in a story written by Mark Gruenwald with art by Herb Trimpe, Charles Barnett and Brad Vancata.
In this issue, the Avengers and the Fantastic Four team up to investigate claims that Kang has returned to the 20th Century. What they find is a city called Chronopolis, where Kang has merged several different time periods within the limits of a vast city. Kang has also positioned himself in a citadel in the center of the city guarded by many elite commandos. And of course, the Avengers and Fantastic Four fight their way to Kang’s throne for a final battle.
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During the story, which is titled 'Kang's World,' the Conqueror reveals to his former love and current enemy Ravonna that he is not motivated by sadistic slaughter but the thrill of the conquest. He states that he comes from a boring time and his only purpose is to escape that boredom. Of course, he goes about it in an immoral way, fighting both heroes and villains just for the sake of the challenge. Kang explains, «I decreed that no conquest I ever undertake be boring, nor shall any person who serves or opposes me be unworthy!» It's an interesting choice of words considering that it's similar to the enchantment on Thor's hammer Mjolnir to dictate who is able to wield it.
While Mjolnir can only be lifted by the worthy, Kang will only battle those who meet the same criteria. In fact, given that the Asgardian definition of worth is partly based on a warrior's willingness to fight on behalf of the Ten Realms,
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