This was the first time director Antoine Fuqua directed a sequel to one of his own movies.

After over fifty-five film and television credits, this was Denzel Washington's first sequel.

Two security guards were wounded during a shooting which took place during the film's production.

Denzel Washington, Bill Pullman and Melissa Leo were the only actors from the original to appear in the sequel.

This was the fourth film Denzel Washington and director Antoine Fuqua worked on together.

During filming, the crew whimsically referred to the movie as "The Sequelizer."

Denzel refers to character Miles Whittaker as "Yummy" This is reference to Robert "Yummy" Sandifer who was an American street gang member from Chicago. He was only a child (believed to be 14) Sandifer's murder by fellow gang members in Chicago garnered national attention, resulting in him appearing on the cover of TIME magazine in September 1994. MT

This film was released four years after the first one, which was released in 2014.

This was Antoine Fuqua's second film to be shot with Hawk anamorphic lenses after Training Day (2001)

The timepiece that Robert McCall Denzel Washington uses to time his combat skills, is the Suunto Core All Black Military watch.

-It is a sequel to the 2014 film The Equalizer, which was based on the TV series of the same name.

-Talks of an Equalizer sequel began seven months prior to the release of the first film, in 2014.

-It is the first time Denzel Washington has starred in a sequel to one of his films.

-In July 2018, when asked about the possibility of The Equalizer 3, Fuqua expressed interest in returning to direct.

-Principal photography on the film began in the South End area of Boston, Massachusetts, on September 14, 2017. Filming also took place on Lynn Shore Drive in Lynn, Massachusetts, as well as in Brant Rock, Massachusetts.

-While Sony and other publications reported the film was made on a net production budget of $62 million, Deadline Hollywood stated their sources insisted the cost was "in the high ($70 million)" range after Massachusetts tax credits.

Although McCall is seen holding and using guns to threaten in the movie, he only actually shoots one man with a gun. The other McCall shoots with a harpoon.

At the end of the film, Miles, after witnessing his skills and capabilities first hand, asks McCall "Who are you?", just like McCall at the end of the first film.

Pedro Pascal's character Oberyn Martell on Game of Thrones also had his eyes gouged when he fought Sir Gregor Clegane.