Calamity Jon’s blog has scans from a 1998 "Secret Files" comic, which sheds some light on the origins of the various villains in Superman’s universe.
The origins stories, created by artist and writer Stuart Immonen, features some of Superman’s greatest foes like Lex Luthor and the unstoppable (almost !) Doomsday.
Snip from the blog:
What makes it [...]