Question: Where did the fictional character portrayed in Ragnarok film first appreared?
Related documents: [0]  [DOC] Hela is a fictional character appearing in American comic books published by Marvel Comics. The Asgardian goddess of death is based on the Norse goddess, Hel. The ruler of Hel and Niflheim, the character has been a frequent foe of Thor. Debuting in the Silver Age of comic books, Hela first appeared in "Journey into Mystery" #102 and was adapted from Norse mythology by Stan Lee and Jack Kirby. [END] 
[1]  [DOC] Thor: Ragnarok is an upcoming American superhero film based on the Marvel Comics character Thor, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is intended to be the sequel to 2011's "Thor" and 2013's "" and the seventeenth film installment of the Marvel Cinematic Universe (MCU). The film is directed by Taika Waititi with a screenplay by Eric Pearson and the writing team of Craig Kyle and Christopher Yost, and stars Chris Hemsworth, Tom Hiddleston, Cate Blanchett, Idris Elba, Jeff Goldblum, Tessa Thompson, Karl Urban, Mark Ruffalo, and Anthony Hopkins. In "Thor: Ragnarok", Thor must defeat the Hulk in a gladiatorial duel in time to save Asgard from Hela and the coming Ragnarök. [END] 
Answer: 
Journey into Mystery
Journey into Mystery