After a reunion from 2008 to 2012, the band reformed once again in 2016, and have since released two more studio albums: United $tate$ of Anarchy (2020) and Toxic Grace (2024).

[2][3] Evildead was formed in 1986, initially as a side-project of Agent Steel guitarist Juan Garcia and Abattoir bassist Mel Sanchez, with the intention to write heavy music with more hardcore and thrash metal elements, more so than their bands at the time.

Evildead paved new ground with their ferocious approach to songwriting, but also followed a style similar to that of their peers (including Testament, Vio-lence, Dark Angel and Sacred Reich), with lyrics exploring political and social themes mixed with humor, and horror and nuclear war topics.

In the winter of 1991, the band returned to the studio to record their second album with producer Warren Croyle, The Underworld, which was released in June of that year.

The band headed back into the studio in 1993 to begin work on a third album, and wrote several new songs including "Humano", "Immortal" and "Dia de los Muertos", which also appear on the band's 1994 demo tape Terror[4] and would be recorded again for the only Terror album Hijos de los Cometas (1997).

After the split, Karlos Medina and Juan Garcia reformed Agent Steel, but still played together with ex-Evildead member Danny Flores, and Rigo Amezcua in a band called Terror, which has one full-length album; with all songs in Spanish that was released on BMG in Mexico; which is not out of print.

[7] Evildead reunited once again for a one-off show on March 12, 2016 at the Love/Hate Rock Bar in Los Angeles, in celebration of the 50th birthday of drummer Rob Alaniz.

[14] In January 2023, Evildead announced on their Facebook page that they had been "grinding away writing new material" for their fourth studio album, and had begun pre-production on it by the following month.