Hellboy: The Board Game – In Mexico is an expansion that adds gameplay elements from the "Hellboy in Mexico" storyline to Hellboy: The Board Game. This expansion consists of:

• 4 hero miniatures (Luchador Hellboy & 3 Luchadors)
• 1 boss miniature (Camazotz)
• 15 minion miniatures (5 types)
• 4 agent cards
• Case file deck
• Encounter deck
• Requisition deck
• Deck of doom!
• Enemy deck
• Game tiles