I know I haven't mentioned it yet -- but what you guys did -- coming to help me -- --I -- I wanted to say...thanks. A lot. And if you guys ever have to go to hell again, don't worry......I'll be behind you every step of the way! 
Appearing in "Under the Surface"
Featured Characters:
- Thunderbolts
- Hawkeye (Clint Barton) (Main story and flashback)
- ⏴ Meteorite (Karla Sofen) ⏵ (Main story and flashback)
- MACH-II (Abe Jenkins)
- ⏴ Songbird (Melissa Gold) ⏵
- Atlas (Erik Josten)
- Charcoal (Charlie Burlingame)
- Ogre (Brian Dunlap) (Cameo)
Supporting Characters:
- Daimon Hellstrom
- Bailiff of Madness
- Pluto
- ⏴ Mockingbird (Bobbi Morse) (Main story and flashback) (Shadow only)
Antagonists:
Other Characters:
- ⏴ Wanda Maximoff ⏵ (Main story and flashback)
- ⏴ Hellcat (Patsy Walker) ⏵ (Resurrection)
- Enchantress (Amora) (Cameo)
- Ajes'ha (Cameo)
- Jaine Cutter (Cameo)
- Gargoyle (Isaac Christians) (Cameo)
- Jolt (Hallie) (Vision or hallucination)
- Carl Josten (Vision or hallucination)
- Angar the Screamer (Dave Angar) (Vision or hallucination)
- Beetle (Jared Goulding) (Vision or hallucination) [1]
- Anton Devine (Only in flashback)
- Phantom Rider (Lincoln Slade) (Only in flashback)
- Wasp (Janet Van Dyne) (Only in flashback)
- Masters of Evil (Mentioned)
- Crimson Cowl (Dallas Riordan) (Only in flashback)
- Fantastic Four (Mentioned)
- Mister Fantastic (Reed Richards) (Mentioned)
- West Coast Avengers (Mentioned)
- Satannish (Mentioned)
- Grim Reaper (Eric Williams) (Mentioned)
- Hercules (Mentioned)
- Maria Stark Foundation (Mentioned)
Locations:
- Nether-Realms
- Hell
- Arena of Tainted Souls (First appearance)
- Manhattan
- Ash Hotel
- Massachusetts
- Kree-Lar (Vision or hallucination)
- Burton Canyon (Vision or hallucination)
- Colorado (Only in flashback)
- Mount Charteris (Only in flashback)
Items:
- Hawkeye's Bow & Trick Arrows
- Mobile Armored Cyber-Harness
- Beetle Armor MK III (Vision or hallucination)
- Mockingbird's Battle Staves (Main story and flashback)
Vehicles:
Synopsis for "Under the Surface"
- Synopsis not yet written
Appearing in "Physician, heal thyself?"
Featured Characters:
Supporting Characters:
- Moonstone (Lloyd Bloch) (Only in flashback)
- Ajes'ha (Only in flashback)
- Hawkeye (Clint Barton) (Only in flashback)
- Deanna Stockbridge (Only in flashback)
Items:
- The Moonstone
Synopsis for "Physician, heal thyself?"
- Synopsis not yet written