Trivia: When Thor is strapped in the chair we can hear the music from the original Charlie and the Chocolate Factory; specifically an instrumental version of Pure Imagination.
Trivia: A Make A Wish child who visited the set suggested Thor's "friend from work" line about the Hulk to Chris Hemsworth.
Trivia: Taika Waititi said "I would say we improvised probably eighty percent of the film, or ad-libbed and threw in stuff" in an MTV news interview.
Trivia: Cate Blanchett chose to do the movie for her children who are Marvel comics fans. Her eldest son suggested she play Hela as a career boost.
Trivia: In order to keep a light yet collaborative mood amongst the cast on set, around 80 per cent of the dialogue in the movie was improvised.
Trivia: In the comics, the Grandmaster has blue skin. Taika Waititi opted not to color Jeff Goldblum blue for this film since he already previously played a blue-skinned character in the film Earth Girls Are Easy. However, you can see Grandmaster's fingernails are painted blue, possibly as a reference to his comic counterpart.
Trivia: Led Zeppelin's 'Immigrant Song' was chosen for the soundtrack because the lyrics mention Norse mythology.
Trivia: Chris Hemsworth bulked up to play Thor by working out 6-7 times a week and eating 6000 calories a day of a strict selection of foods.
Trivia: Cate Blanchett studied Capoeira (an Afro-Brazilian martial art) for her role as Hela.
Trivia: Anthony Hopkins originally didn't intend to return for this film, but upon reading the script, he changed his mind.
Trivia: Director Taika Waititi has said he had no desire to direct this movie or work for Marvel. He did so because he needed money.
Answer: There's no mention in the movie that the weapons have been enchanted or improved so it is probably just the usual heroic movie convention of 'bottomless magazines'.