I don't know about being a superhero
but you're right that you have to increase. If you use a YO, you will get a hole, and if you want lacy, that looks nice. I'm not sure about the formula, but if you look for patterns of doilies, round shawls, or round dishcloths you can get an idea. You can try www.knittingpatterncentral.com
to find patterns.