The album was scheduled to be released on 3 December 2021, but released early on 2 December 2021, through XL Recordings as a continuation to her 2021 record Kick III, and is the fourth entry in the Kick quintet.

[2] Kick IIII was supported by the accompanying lead single "Queer" featuring Planningtorock, and features cellist Oliver Coates, Garbage frontwoman Shirley Manson, Planningtorock, as well as production from Cardopusher.

It's all gestating right now [...] Each Kick exists in a kind of quantum state until the day that I send it to mastering.

[5] Kick IIII was announced on November 18, alongside the release of the lead single "Queer" featuring vocals from English musician planningtorock.

[6] Arca described the album as "entry of sensual charge in the cycle; my own faith made into song, a posthuman celestial sparkle, psychosexual pulsewidth modulation, queering the void, abyss alchemically transmuted into a deconstruction of what is beautiful, it is a healing spell, recognition of the alien inside, a bursting apart of old skin, fresh new sinew rippling outward from a beating core, the first prenatal kick—proof that there is a sentience with a will beyond its creators’ control expressing itself from within the womb.