These is the list of cores and which characters use them:
Contents
Adamantium Core[edit]
Wolverine
Punisher
Ironman
Deadpool
M'Kraan Shard[edit]
Jean Grey
Ms. Marvel
Rocket Racoon
Promethium Core[edit]
Radioactive Isotope[edit]
Thing
Spider-man
Hulk
Daredevil
Vibranium Core[edit]
Hawkeye
Captain America
Black Widow
Black Panther