Avengers Assemble! Lets come together, fight some aliens, and learn some facts about literally the number one movie on the planet right now, Infinity War!

. . . and sob internally while waiting for Part 2 to come out *cries in a corner*

Fact #781
Chris Evans and Chris Hemsworth ad-libbed the dialogue between Captain America and Thor in which they compared their facial hair, reasoning that they have known each other long enough to have that kind of friendly banter. 

Fact #782
Security for the filming at Durham Cathedral was so tight that not even the Cathedral wardens were allowed access inside. 

Fact #783
The Russo brothers originally confirmed that Captain Marvel would be in this movie. However, Joe Russo later declared that the character would not, and she would instead make her debut in her own movie. The character will have a major role in Avengers 4.

Fact #784
Loki says "we have a Hulk" to Thanos. This is similar to what Tony said to Loki in 'The Avengers.'

Fact #785
Hugh Jackman expressed interest to appear in an Avengers film, but he said he would only reprise his character, Wolverine, if he appeared in the Marvel Cinematic Universe. In December 2017, however, Jackman officially stated he would not be reprising the role and he would love to see someone else play the character. Logan, released in 2017, was Jackman's last film as Wolverine. 

Fact #786
The trailer for the film includes several scenes not shown in the final film. For example, early trailers included scenes showing the Hulk at the battle of Wakanda, despite the Hulk not being involved with the battle at all. Directors Anthony and Joe Russo noted they intentionally crafted a different experience for the trailers than audiences would get in a finished film.

Fact #787
Proxima Midnight, the female member of The Black Order, normally wears a black horned helmet in the comic books. This was changed to organic horns growing from her head, to avoid similarities with Hela's distinctive helmet in Thor: Ragnarok.

Fact #788
Although not explicitly stated in the film, Corvus Glaive and Proxima Midnight of The Black Order are actually husband and wife.

Fact #789
The Wakandan war cry "Yibambe" is Xhosa for "hold strong."

Fact #790
Steve Rogers had a new look for Avengers: Infinity War film. At the end of Captain America: Civil War, Steve Rogers quit as Captain America, something which occurred several times in the comic book. For the first time, he assumed the identity of "Nomad." Rogers' costume in this film captured basic elements of the Nomad character, in that it is primarily blue and features yellow, disk-like objects attached at the collar. For the second time Steve Rogers quit, he was featured to have grown scraggly with a beard, and he would eventually shave the beard and create a new identity as "The Captain." Consequently, the physical appearance and costume for Steve Rogers is a combination of the two most popular times he quit being Captain America.

Fact #791
Robert Downey Jr. had a separate deal from his Marvel Cinematic Universe co-stars when he signed on to reprise his role as Tony Stark/Iron Man in subsequent Avengers films, after The Avengers. However, his appearances in Captain America: Civil War and Spider-Man: Homecoming were not tied to this deal. These negotiations occurred separately after he completed his contract to do the Iron Man trilogy.

Fact #792
Robert Downey Jr. requested the furniture from his house in Los Angeles be shipped to the filming location of Avengers: Infinity War film in Atlanta, and the movie studios complied.

Fact #793
The filming at Durham Cathedral involved moving most, if not all, of the pews to make room for the film sets. After filming on a Saturday night (May 6), the sets had to be moved and the pews replaced in readiness for the Sunday services, then on Monday, everything was changed around again for the completion of the film.

Fact #794
Natasha Romanoff sports a whitish-blonde hair color, making her resemble Yelena Belova, who for a time impersonated Black Widow in the comics.

Fact #795

According to Chadwick Boseman, production on Infinity War began just two weeks after production on Black Panther (2018) ended. This meant that all the actors and even the extras from that appeared in both films had no problem retaining their cadences.

Fact #796
Captain America's phone number is a north Georgia area code, which is one of the filming locations. Unlike many "555-1234" TV/movie type phone numbers, this was an actual phone number. However, calling the number results in a "cannot complete this call" message. 

Fact #797
This film is based on the American comic book series called 'The Infinity Gauntlet' first published by Marvel Comics in 1991, but takes its name from the sequel comic book series called 'The Infinity War', which its self has a sequel series 'The Infinity Crusade'.

Fact #798
At a point of the movie Thor, Rocket and Groot visits a star forge called Nidavellir, where they meet a dwarf called Eitri (Peter Dinklage). In Norse mythology, Nidavellir is the home of the dwarves and one of the Yggdrasil's nine realms.

Fact #799
Tom Holland accidentally revealed the film's teaser poster via an Instagram live stream in November 2017. The poster contained a note from Mark Ruffalo explaining that the poster had not yet been released, and Holland was supposed to keep it a secret. Ironically, Holland had already showed the poster to the camera and read the message out loud before discovering a large sign on the back that read "CONFIDENTIAL, DO NOT SHARE." However, this seems like a deliberate set-up from the studio, as both Holland and Ruffalo are known for revealing too many secrets about past Marvel films. Plus, it lined up too conveniently with the release date of the first trailer.

Fact #800
The name Thanos is a short form of the Greek name Thanatos, which means 'death' in Greek.

Fact #801
On 1 March 2018, as North America was approaching the May 5 release of the film, Marvel Studios announced that Infinity War would release worldwide one week earlier, on 27 April 2018. The move comes from The Walt Disney Company's decision to let Avengers: Infinity War have more time in the spotlight, before Disney and Lucasfilm release Solo: A Star Wars Story on 25 May 2018.

Fact #802
Thor confirms that "Groot" is a language that can be learned and spoken, as he took it as an elective in school on Asgard. This explains why only Rocket was originally able to understand Groot, and the other Guardians had to learn over time. This also confirms that Groot understands English (and likely other languages) but is only able to speak "Groot."

Fact #803
The film crossed worldwide Box Office collection of $1 Billion in a record time of 11 days after its release. This is the sixth Marvel movie to make this much.

Fact #804
Originally the colors of the Infinity Stones were Soul=green, Time=orange, Space=purple, Mind=blue, reality=Yellow and Rower=red. In the MCU they share the same colors from the Marvel Legacy version (Soul=orange, Time=green, Space=blue, Mind=yellow, Reality=red and Power=purple).

Fact #805
Unlike the previous two "team-up" movies that Marvel has made, no new heroes are introduced in this film. 

Fact #806
Tony Stark at one point asks Doctor Strange, "Do you concur, Doctor?" This line is frequently asked by Sherlock Holmes of Doctor Watson.

Fact #807
Drax mentions being able to stand still for hours on end. Drax actor Dave Bautista had to stand for several hours each day getting his makeup applied.

Fact #808
Thanos is called "Grimace" by Quill at one point. This is a 1970s/1980s reference to the McDonald's advertisement and McDonaldland (1963) character of that name, who was a friendly giant purple gumdrop. In addition to Ronald McDonald, other characters included Hamburglar, Mayor McCheese, and Officer Big Mac. McDonald's began phasing out these characters in the early 2000s.

Fact #809
The new Iron Man suit is based on Bleeding Edge and later Model-Prime Armor armors from the comics which both uses nanotechnology to create a suit which is linked to Stark and can also create weapons for him to use such as a bigger gun and stored away when not in use, which for the film is inside Stark's new arc reactor on his chest.

Fact #810
The new Spider-Man suit is based on the Iron Spider outfit from the comics. Like its film counterpart, it was also created by Tony Stark. This is also the first film to have Spider-Man use it, as this costume first appeared at the end of Spider-Man: Homecoming. 

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I hope you all enjoyed these facts as much as I did!