Skill: Bullseye, Jessica jones, kraven the hunter, shang chi, silver samuri, black cat, silver sable, Kate bishop, shuri

Tech: Robotman, living laser, whiplash, stilt man, beetle, klaw, silver sable, crimson dynamo, iron monger, nimrod, danger, the wizard, spiderman 2099, Jocasta

Science: Lizard, Sandman, jessica Jones, absorbing man, silk, spider woman, scorpion, radioactive man, blue marvel, usagent, morbius, spiderman 2099, mr negative, wonder man

Cosmic: gladiator, fire lord, god butcher, Adam warlock, sersi, Ikarus, beta ray bill, quasar, magus, black knight, sif, korvac, skurge the executioner, Zeus, Valkyrie

Mystic: Dracula, Clea, Wong, Morlun, enchantress, captain Britain, morbius, mandarin, melaketh, nightmare

Mutant: The apocalypse twins, legion, blob, quicksilver, mystique, sebastian shaw, cannonball

(If character is listed twice it’s because I couldn’t quite guess what class they’d be in.)