Originally Posted by
Jim Kelly
I love a minor challenge. Stan Lee used this to great effect in Spider-Man, which other writers then picked up on. Peter being Peter has a mess of problems and those need his focus, but then along comes a minor villain or menace, and now he has to deal with that, too, on top of everything else going on in his life. The minor challenge is just enough to create more tension in the story--which is usually ongoing and will continue into the next issue.
Once the Schwartz era characters started having continuing arcs, the minor challenge created another hurdle for the super-hero. So it's not just Toyman--there are other things going on in Clark's life at the time--and Winslow P. Schott is diverting Clark from these other issues. Villains shouldn't always be the centrepiece of the story--they can be side plots.
Ideally, in a comic run, not every issue is the most important, life-altering, he'll never be the same again plot. We need down time from that, so when the big moments do come, they actually feel big. The minor challenges serve to put the hero through his paces but prove that he knows what he's doing and this isn't going to mess him up. So when the big challenge does come, we understand why this is such a big challenge.