Another for the MH-0: Marvel Super Heroes Role-Playing Game
This is a sourcebook detailing the Avengers and their enemies, of which many are listed like Kang, Attuma, Graviton etc.
Heroes — Villains
Ant-Man — Absorbing Man, Arsenal, Attuma,
Beast, Black Knight, Black Panther, Black Widow,
Captain America, Captain Marvel, — Collector, Captain Mar-Vell,
Falcon,
Giant Man, Goliath, Goliath II, — Graviton, Grey Gargoyle, Grim Reaper,
Hawkeye, Hercules, Hulk,
Iron Man,
Jocasta,
— Kang, Klaw,
— Living Laser, Loki,
Mantis, Moondragon, Ms. Marvel, — Mad Thinker, Mandarin, Mandroid armor,
Quicksilver,
— Ringmaster, Ronan the Accuser,
Scarlet Witch, She-Hulk, Starfox, Swordsman, — Super-Adaptoid, Supreme Intelligence,
Thor, Tigra — Taskmaster,
— Ultron,
Vision,
Wasp, Wonder Man — Whirlwind,
Yellow Jacket,
1.36 Character Density