Variety?Villains with realistic motivations?Mirror powers?Thematic rivals?Sexy females?Big bads?
>>155671819Agency, variety, and chemistry The last one especiallyVillains work best when they can play off against the hero and also amongst themselves
>>155671949this. a batman investigation hook can go literally a million ways without even needing to do anything that radical with any villain, where as youd need to stretch more to do something with iron man equivelant to kravens last hunt