The music was composed by Yuvan Shankar Raja, the cinematography was handled by Om Prakash and editing by Prasanna GK.

[2] Maariyappan "Maari" is a fun-loving gangster whose sidekicks are Sanikkizhamai and Robert, alias Adithangi (punching bag).

Kalai's brother Vallavan is shown to be cooperating with Singayya, who has formed an alliance with Beeja to overthrow Maari.

Per Beeja's plan, Vallavan asks Sani to send Aanandi for a job, which turns out to be drug smuggling.

Beeja reveals himself as the perpetrator and shoots Maari, but he is saved by Aanandi, who takes the bullet for him, which ends up in her spinal cord, paralysing her for life.

Vijaya Chamundeshwari is the newly appointed District Collector, who comes out to restore order and stop all gang violence.

The local council member, who is also the father of one of the boys, summons Kaali in order to beat him up, but Maari goes and begs for forgiveness.

Following the release of Maari, director Balaji Mohan announced the sequel in November 2015, with Dhanush again in the lead, and also hinted that the film would begin shooting from January 2016.

[citation needed] On 24 September 2017, it was announced that Malayalam actor Tovino Thomas had joined the cast, portraying the antagonist.

[17] The music sequence for "Rowdy Baby" was filmed on 2 August, under the supervision of dance choreographer Prabhu Deva.

[19] Yuvan Shankar Raja composed the soundtrack album and background score for Maari 2, collaborating with Dhanush again after a 10-year hiatus, since their last film Yaaradi Nee Mohini (2008).

The music video for the single was released on YouTube in January 2019 and received positive reviews for the choreography as well as its cinematography.

Mahalingam and Yuvan Shankar Raja, with lyrics penned by the latter and "Maari's Anandhi", written by Dhanush, and sung by Ilaiyaraaja and M. M. Manasi, were released as a part of the album.

[22] Anusha Iyengar of Times Now also called the film significantly better than its predecessor, especially with regards to Dhanush's performance and also praised the treatment of Tovino Thomas and Sai Pallavi's characters, but criticised the use of slow motion in the majority of fight scenes and felt the plot was becoming predictable.