Appearing in "El Diablito: Part One"
- Punisher (Frank Castle) (Main story and recap)
- U.S. Army 7th Special Forces Group
- Dagger Two One (First appearance; voice)
- Eagle Main (First appearance; voice)
- Spider Three Three (Tom) (First appearance)
- Greg (First appearance)
- El Diablito's Gang (First appearance)
- Crossbones (Brock Rumlow)
- Crossbones' henchmen
- Howling Commandos (Referenced)
- Numerous unnamed Mexicans
- Policía Federal Preventiva (First appearance)
- Captain Cruz (First appearance)
- Avengers (Mentioned)
- Dos Soles Cartel (Mentioned)
- Chaos (Mentioned)
- Jake (Mentioned)
- Ben (Mentioned)
- U.S. Marine Corps (Mentioned)
- Captain America (Steve Rogers) (Mentioned)
- S.H.I.E.L.D. (Mentioned)
Races and Species:
- Earth (Main story and recap)
- Hell (Invoked)
Synopsis for "El Diablito: Part One"
- Synopsis not yet written
• The international best-selling author of NOT A GOOD DAY TO DIE, KEVIN MAURER joins Nathan Edmondson to tell a story of Punisher in jungle warfare!
• A group of American soldiers are being held prisoner by a South American drug lord, and suddenly a new prisoner arrives…Frank Castle!
• But not all is as it seems on EITHER side of the bars in this jail tale!