[3][4] The character Ymir first appears in Journey into Mystery, and considers all other forms of life — with the exception of his kin the Frost Giants of Niffelheim — to be aberrations that must be destroyed.

[6] Ymir reappears in a two-part storyline in Avengers and Doctor Strange being summoned to Earth with the fire demon Surtur by the Sons of Satannish.

[8] Ymir reappears in the publication Marvel Super-Heroes, where he and the Frost and Storm Giants attack Asgard before being stopped by Thor and his half-brother Vidar.

[9] Ymir appears in the limited series X-Men: First Class, which is set during the early days of the Marvel universe.

The final battle between Frost Giants and Asgard is just an epic waiting to be told, and Ymir could be Thor’s greatest challenge if this conflict comes to fruition.

"[18] Philip Etemesi of Screen Rant asserted, "It's largely through him that the concept of regeneration is popularized in the Golden Era of comic books.