History
Residents
Notes
- A second short-lived Secret Citadel was established by the Ultra-Humanite in Southern Nepal on Earth-Two when he led the second Secret Society of Super-Villains against the JLA and JSA.[1]
See Also
- Appearances of Sinister Citadel
- Location Gallery: Sinister Citadel
- Catalogued images related to Sinister Citadel