The song was released through Sony Music Latin on June 15, 2023, as the third single from Emilia's second studio album .MP3.

[3] She also released the number-one songs "En la Intimidad" (with Big One and Callejero Fino) and "Los del Espacio" (along with Lit Killah with Tiago PZK, María Becerra, Duki, Rusherking, Big One and FMK).

[3] In mid-June, Emilia shared a short video on her Instagram account talking about her parents, hinting that it could be part of a new song: "To my mom, the word I use to define her is resilient, and to my dad, a warrior."

[4] On June 14, Emilia posted a brief snippet of the music video for "Guerrero" in her social networks, finally announcing the song.

I hope you like this song that goes from the depths of me soul, that it accompany and heal a little the hearts of all the people who are going through a war".