Appearing in "The Keeper of the Door"
- Hulk (Bruce Banner) (Apparent death)
- U.S. Hulk Operations
- Dr. Leonard Samson (Death)
- Gabrielle (Name first revealed)
- Dr. Charlene McGowan
- Jackie McGee
- Del Frye (Appears in recap and main story; controlled by the Leader)
- The Leader / "Green Scar" (Sam Sterns)
- Rick Jones (Controlled by the Leader)
- Gamma Flight
- Dr. Frye (Only in recap)
- The Leader's father (Mentioned)
- God / Lord (Yahweh) (Invoked)
- One Below All (Cameo)
- Brian Banner (Corpse, skeleton or other remains)
Races and Species:
- Earth (Main story and recap)
- The Below-Place
- Green Door
- Red Door (First appearance)
Synopsis for "The Keeper of the Door"
- Synopsis not yet written
• When Bruce Banner first came to Shadow Base, he was cut up into pieces and stored in jars. Now Shadow Base is under his control.
• But Bruce Banner was only the second test subject.
• Now...THE FIRST is free.