Appearing in "Howard's End"
- Howard the Duck (Rebirth)
- Howard T. Duck Private Investigations
- Spider-Man (Peter Parker)
- Jho (Main story and flashback)
- Scout (Roberta) (Main story and flashback)
- Doctor Strange (Stephen Strange)
- Ax-L (First appearance)
- God (Yahweh) (Mentioned)
- X-Babies (Mentioned)
- Vision (Mentioned)
- Avengers (Mentioned)
- Human Torch (Johnny Storm)
- Queen Medusa (Medusalith Amaquelin) (Mentioned)
- George (a building inspector) (First and only known appearance)
- Bev Switzler
Races and Species:
- Human/Skrull Hybrid
- Spineless Ones
- Sparkitects (Main story and flashback)
- Abstract Entities (Mentioned)
- Milky Way
- Hell (Mentioned)
- Time-Lee Nebula (Name first revealed) (Main story and flashback)
- Sparkitron (Main story and flashback)
- Astral Plane
- Collecton (Mentioned)
- Spider-Armor MK IV
- Power Cosmic (Main story and flashback)
- Eye of Agamotto
- Cloak of Levitation
Synopsis for "Howard's End"
- Synopsis not yet written
• Join Chip (Zdarsky) and Joe (Quinones) as they say goodbye to Howard in a Very Special Issue that is still priced as a Regular Issue!
• Can Howard outwit fate? Can any of us? Or is the concept of predestination just shorthand for the near-infinite factors in play that are guided, at their core, by free will?
• Guest-starring Spider-Man, probably.