Appearing in "Until Our Hearts Stop: Part Five"
- X-23 (Laura Kinney)
- Banshee (Sean Cassidy)
- Hatchi Corporation (Cameo)
- Kesha (Mentioned) (Topical reference)
- Scott Summers (Mentioned) (Deceased)
- Ororo Munroe (Mentioned)
- Professor X (Charles Xavier) (Mentioned)
- Cormac McCarthy (Mentioned) (Topical reference)
- Cable (Nathan Summers) (Mentioned) (Deceased)
- Gambit (Remy LeBeau) (Mentioned)
- Rogue (Anna Marie LeBeau) (Mentioned)
- New Mutants (Mentioned)
- Apocalypse (En Sabah Nur) (Mentioned)
- U.S. Government (Mentioned)
- Valerie Cooper (Mentioned)
- Stomper (Mentioned) (Deceased)
- Watchel (Mentioned) (Deceased)
Races and Species:
- Hell (Invoked)
- X-23's Suit
- Adamantium (On X-23's claws)
- Warpath's Knives
- Banshee's Wings
- Death Seed (Behind the scenes)
- Avengers & X-Men: AXIS (Mentioned)
Synopsis for "Until Our Hearts Stop: Part Five"
- Synopsis not yet written
• It’s X-Men vs. Reavers vs. Sentinels!
• But in this battle royale, who will come out on top?
• And will Havok finally prove himself to be the X-Man he claims to be?