From publisher blurb:
Now you can bring the superheroes from the days of yore to your SUPERS! games. This edition of Public Domain supers includes 10 Supers! both heroes and villains.
Included in this set are:
Dr. Diabole, Dr. Dracula, Dr. Diamond, Black Death, Star Dust, Black Dragon, Eel, Steel Sterling, Fireball, and the Deaglos