Dave Bautista's Drax makeup
Dave Bautista's Drax makeup took only ninety 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.
The biggest visual effect ever made
According to the VFX artists, Ego's planet VFX comprises a trillion polygons, and is considered to be the biggest visual effect ever made.
Chris Pratt's secret
According to Chris Pratt, the film's script helped him come to terms with the death of his father.
A problem with the headphones
Prop master Russell Bobbitt had difficulty finding the cassette decks used in the first film and all of the Sony Walkman headphones 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.
It took nearly two years...
James Gunn choreographed and served as the motion-capture model for Groot's dance during the opening credits sequence.
It took the visual effects team nearly two years to complete the CG rendering of the scene for the final film.
The Guardians of the Galaxy comics
In the Guardians of the Galaxy comics, Taserface is a warrior from the cybernetically enhanced race known as The Stark. The Stark is a race that found Iron Man technology that accidentally crashed on their homeworld, and as a result, they worship Tony Stark (a.k.a Iron Man) as their god.
"Groot Version"
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 Disel, which contains each of Groots lines in English.
A model of the 10-inch Baby Groot
Prop master Russell Bobbitt created a 1:1 scale model of the 10-inch Baby Groot for filming to use as a lighting reference, and sometimes puppeteered against the actors during the filming.
David Bowie hadn't done before he died
Director James Gunn wanted David Bowie to appear in a cameo before his death on January 10, 2016.
Mantis
In the comics, Mantis is human, and acquired her skills by living with the Kree.
James Gunn chose to make her an alien in the film because he wanted Peter Quill to be the only one of the main characters to come from Earth.
Karen Gillan didn't shave her head
Karen Gillan reprised her role as Nebula without shaving her head.
60 pounds overweight
Chris Pratt said that he found the workout regimen for his shirtless scene much easier compared to the first film.
For the first film, Pratt was 60 pounds overweight when he started working out.
Gary Oldman, Christopher Waltz and Liam Neeson were also considered for the role of Ego.
The relationship
Karen Gillan said Nebula "is a pretty angry woman, with some daddy issues and 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."
The delicious stinkbug
The stinkbug that gets eaten in the film was actually made of chocolate and black honey.
Kurt Russell and Michael Rooker's second appearance
This was Kurt Russell and Michael Rooker's second appearance together after 24 years.
The first was in Tombstone (1993).
This is Zoe Saldana's sixth Science-Fiction film.
Cameo appearances
The parents of directors James Gunn and Sean Gunn make cameo appearances in the film.
How many times has "I am Groot" been said?
Groot says "I am Groot" 17 times throughout the entire film.
Kurt Russell's 1st Disney film
Kurt Russell has appeared in many Disney films over the past 50 years.
This will be his 1st Disney film and superhero film since filming "Sky High" (2005).
The ironic thing about Gamora
The ironic thing about Gamora not enjoying dancing is actress Zoe Saldana has a deep background in dancing--Ballet is her first passion.
This scenes were cut out
Glenn Close filmed scenes of Nova Prime Irani Rael, but they were cut out of the film for running time purposes.
The fifth collaboration
This film marks the fifth collaboration between James Gunn and Michael Rooker.
The other four films were “Slither” (2006), “Super” (2010), “Guardians of the Galaxy” (2014), and “The Belko Experiment” (2016).
Pollen grains
The edible yarrow root was designed to resemble enlarged pollen grains, and was made of non-dairy white chocolate.
Hand-made Ravagers' belts
To make the Ravagers' belts, prop master Russell Bobbitt had his team cut the leather themselves rather than buying existing belts, and then parts from different electronic devices such as radios and cell phones were glued together to make each belt "a unique piece of art".
Synchronization of Rocket's voice and facial expressions
Bradley Cooper recorded his lines for Rocket while wearing a performance capture headpiece in the recording studio, to perfectly synchronize Rocket's voice and facial expressions.
This had not been done in the first movie.
The film's subtitle
The film's subtitle is a nod to Star-Lord's Awesome Mixtape Vol.
1 tape from "Guardians of the Galaxy" (2014).
Karen Gillan's makeup
Karen Gillan's makeup took two and a half hours to apply, down from five hours for the first film.
The fake name
This film was shipped to cinemas under the fake name "Level Up."
The Collector from the first film
Benicio Del Toro, who portrayed the Collector in the first film, expressed interest in portraying the character again despite Marvel not contacting him about the sequel.
The date of release
The film was originally set for a July 2017 release, but was pushed up to a May 5th release.
Several points of interests
Ego's name is Greek for "I am." The Hebrew name for God, Yahweh, also means "I am," and God identifies himself as such in the Book of Exodus.
The Sovereign designs
The Sovereign designs were based on 1930s art deco and 1950s sci-fi.
Malaysian actress
Director James Gunn cast Michelle Yeoh in the film as a tribute to 90's Hong Kong films, which he is a fan of.
Scheduling conflicts
John C.
Reilly could not reprise his role as Corpsman Dey, due to scheduling conflicts.
This film is part of Chapter Three of Phase Three in the Marvel Cinematic Universe.
A larger head fin
Yondu has a larger head fin in this film than in Volume 1, bringing the character's look closer to his comic counterpart.
Spin-off
Director James Gunn went on record in an interview that he wants to give Nebula her own spin-off movie.
Matthew McConaughey was considered to play Ego...
...But he passed on the role in favor of "The Dark Tower" (2017).
Foreign-language releases of the film
Vin Diesel recorded Groot's voice for sixteen foreign-language releases of the film, up from six in the first film.
A parody
The teaser poster is a parody of the cover for The Ramones' album Rocket to Russia.