James Gunn revealed that he and Kevin Feige wanted David Bowie to appear in a cameo before his death on January 10, 2016.
This sequel was announced a week before the release of Guardians of the Galaxy (2014) at San Diego Comic-Con 2014.
In an interview, James Gunn said that most of the questions will be answered in this film that remained unanswered in the first.
According to Chris Pratt, the film's script helped him come to terms with the death of his father.
Unlike the last film where it was just his voice, Vin Diesel will also provide motion capture for Baby Groot.
Nathan Fillion plays actor Simon Williams (seen in movie posters). In the comics, Simon Williams was Wonder Man, an Avenger who had a very successful side career as a Hollywood action star who did his own stunts.
It is rumored that Beta Ray Bill will appear in this film. Bill is also rumored to appear in Thor: Ragnarok (2017), and later show up to help the Avengers in Avengers: Infinity War (2018).
After many rumors, Karen Gillan reprised her role as Nebula without shaving her head.
Gary Oldman, Viggo Mortensen, Christoph Waltz, Christopher Plummer, Max von Sydow, and Liam Neeson were considered for the role of Ego.
In the comics, Mantis is half-German and half-Vietnamese. She is portrayed in the film by Pom Klementieff, who has a South Korean mother and a French-Russian father.
In an interview for the film, Karen Gillan explained that Nebula "is a pretty angry woman, with some daddy issues and that, in the second movie, we're going to start to see how much pain her father actually caused her, and we're going to delve right into the relationship with her sister Gamora. I think we might even feel a tinge of sympathy towards her this time."
Dave Bautista's Drax makeup took only 90 minutes to apply, down from four hours for the first film. However, he would have to sit in a sauna at the end of the day to get the makeup off.
According to the VFXperts, Ego's planet VFX is comprised of a trillion polygons, and is considered to be the biggest visual effect ever made.
Chris Pratt said that he found the workout regimen for his shirtless scene much easier compared to the first film, because he was already in great shape going into the film. For Guardians of the Galaxy (2014), Pratt was sixty pounds overweight when he started working out. But for this film, however, he said he had maintained his buff physique acquired from the first film.
The film's subtitle is a nod to Star-Lord's Awesome Mixtape Vol. 1 tape from Guardians of the Galaxy (2014).
Prop master Russell Bobbitt had difficulty finding the cassette decks used in the first film and all of the Sony Walkman headsets they found were broken. Bobbitt contacted Sony to see if they had any available for filming, which they did not, so he eventually created six from scratch.
On March 23, 2016, Chris Pratt announced a fundraiser to help support the Lake Stevens' Boy's and Girl's Club, from where he grew up. By donating, you would get a chance to visit Pratt, and eat lunch with him on the set of this film.
According to James Gunn, John C. Reilly couldn't reprise his role as Corpsman Dey, due to scheduling conflicts.
This will be the first film shot on RED's WEAPON 8K digital camera. It is the digital equivalent to VistaVision, a higher definition 35mm format developed in the 1950s.
There were strong refrences of the superhero Nova in Guardians of the Galaxy (2014), and it was believed he would appear in the sequel, but director James Gunn said he has no plans to bring the character to the big screen.
Nathan Fillion, who plays Simon Williams in this film, played a different character (voice only) in Guardians of the Galaxy (2014).
As Groot only communicates with the phrase "I am Groot" in different inflections, James Gunn created a "Groot Version" of the script for himself and Vin Diesel, which contains each of Groot's lines in English
Prop master Russell Bobbitt created a 1:1 scale model of the 10-inch (25 cm) Baby Groot for filming to use as a lighting reference, and sometimes puppeteered against the actors during the filming.
It was announced on June 29, 2015, that the title would be "Guardians of the Galaxy Vol. 2."
James Gunn went on record in an interview that he wants to give Nebula her own spin-off movie.
Kurt Russell has appeared in many Disney films over the past fifty-one years. Guardians of the Galaxy Vol. 2 (2017) will be his first Disney film, and superhero film, in twelve years. Excluding Sky High (2005).
Cast members Kurt Russell and Sylvester Stallone previously worked together in Tango & Cash (1989).
Fifth collaboration between James Gunn and Michael Rooker. The other three films were Slither (2006), Super (2010), Guardians of the Galaxy (2014), and the Belko Experiment (2016) - which Gunn wrote.
Karen Gillan went on record in an interview, saying that Guardians of the Galaxy Vol. 2 (2017) will be better than the first movie.
Vin Diesel and Kurt Russell appeared in Furious 7 (2015) and The Fate of the Furious (2017).
In the second trailer, The Sweet's "Fox on the Run" plays in the background. In one of the Suicide Squad (2016) trailers, The Sweet's song "Ballroom Blitz" plays in its background. This is a coincidence, because both songs appeared on the same album and Suicide Squad is also DC's answer to Marvel's Guardians, furthering the connections and coincidences.
Sylvester Stallone is the second Expendables actor to appear in the Marvel Cinematic Universe. Mickey Rourke was the first.
The actress, Laura Haddock, who plays the character Meredith Quill, Peter Quill's mother also appeared in Captain America : The First Avenger, as a fan of Captain America.
Michael Rooker and Sylvester Stallone previously worked together in 'Cliffhanger' (1993)
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