Appearing in "The Devil you say!"
Featured Characters:
Supporting Characters:
Antagonists:
- Mephisto
- Demons of Mephisto's realm
Other Characters:
- Fantastic Four
- Alpha Flight (Mentioned)
- Snowbird (Narya) (Vision or hallucination)
- Avengers (Mentioned)
- Hercules (Vision or hallucination)
- Thor (Odinson) (Vision or hallucination)
- Galactus (Galan) (Only in recap)
- Beyonder (Only in recap)
Races and Species:
- Humans
- Mutants
- Demons
- Inua-Human Hybrids (Vision or hallucination)
- Human-Olympian Hybrids (Vision or hallucination)
- Asgardians (Vision or hallucination)
- Taa-ans (Only in recap)
- Beyonders (Only in recap)
Locations:
Items:
- X-Uniforms
- Fantastic Four Uniforms
- Cyclops' Visor
- Wolverine's Suit
- Adamantium (on Wolverine's claws)
- Cerebro (Mentioned)
Synopsis for "The Devil you say!"
Mephisto has previously swapped the Invisible Woman for Marvel Girl. Now he faces the X-Men.