Suicide Squad: Black Files # 1 is the first issue of a six-issue limited series that ran from late 2018 through 2019. This oversized issue features two distinct stories focusing on the mystical and supernatural side of Task Force X.
Story 1: "Revenge of Kobra"
- Creative Team: Written by Mike W. Barr with art by Philippe Briones.
- Plot: The story follows Katana as she faces the vengeance of the terrorist cult leader Kobra, who seeks retribution for the death of his beloved Eve.
- Key Conflict: Kobra attempts to steal Katana's soul and her mystical Soultaker sword. The issue ends on a cliffhanger where a Kobra leader possesses Katana's body while her spirit is trapped within her own sword.
- Supporting Cast: Includes Halo and Maseo Yamashiro (as a spirit).
Story 2: "Suicide Squad Black"
- Creative Team: Written by Jai Nitz with art by Scot Eaton.
- Plot: Amanda Waller assembles a new "expendable coven" of magic-based operatives to hunt down Sebastian Faust, a rogue government arcane expert.
- The Roster (Suicide Squad Black):
- El Diablo (Field Leader)
- Enchantress
- Gentleman Ghost
- Klarion the Witch Boy
- New Members: Azucar, Juniper, Dr. Thaumaturge, Snarlgoyle, and Alchemaster.
- Setting: The team is deployed to a supernatural battlefield in Kahndaq, where they face Faust's "army of darkness".
- Publication Date: November 7, 2018 (Cover date: January 2019).
- Cover Art: Frazer Irving.