Well, Valkyrie in Thor: Ragnarok has a really interesting back story. She used to be a Valkyrie, which was like a super - important and powerful role in Asgard. When Hela showed up and basically wiped out most of the Valkyries, Valkyrie was left with a lot of trauma. She escaped and ended up on Sakaar. There, she became a bit of a loner, working for the Grandmaster. But deep down, she still had that Asgardian warrior in her, which Thor was able to bring back out.
The back story in the Thor Ragnarok trailer shows that Thor is facing a great threat to Asgard. Hela, the goddess of death, has emerged and is bent on destruction. Thor has been away and returns to find his world in chaos. He has to fight not only Hela but also deal with being stranded on the planet Sakaar. This sets the stage for an epic battle to save Asgard and its people.
Sure. One key element is Hela. She's the main antagonist, very powerful. Another is Thor's exile to Sakaar. And then there's the state of Asgard under Hela's rule.
It's kind of a mixed bag. Some aspects of Thor's character and story in Ragnarok are true to the comics, but there are also significant changes and creative liberties taken.
Well, the story of Thor Ragnarok begins with Thor being imprisoned. He discovers that his homeland Asgard is in danger because of Hela. Hela is this really strong and evil force. Thor has to fight his way out and ends up on Sakaar. There, he faces Hulk in the arena which is a wild battle. Meanwhile, Loki has been up to his usual tricks but also joins Thor in the end. Valkyrie, who had her own issues, also helps them. They return to Asgard and engage in a huge battle with Hela. It's a story full of twists, battles, and heroism.
The movie Thor: Ragnarok draws its roots from the Marvel Thor comics. It weaves together elements from different comic issues to bring the story to the big screen. The comic influence is evident in the characters, settings, and overall plot of the movie.