Transhumanism is a big, complicated, sprawling idea. The central concept – that humans can be made better with technology – touches on a lot of hopes and fears about the future of humanity. Though I’m always going on about how great human enhancement could be, I’ve got my fair share of fears myself. But my fears are probably way different than many of your fears. But how in the world can we represent those concerns? As it turns out, I’ve found a pretty good set of archetypes that represent our hopes and fears: Marvel Comic’s Avengers.

How we frame scientific progress changes how we see individual technologies. When we think about science changing people, our minds naturally go to that group of individuals constantly being bombarded by gamma radiation, genetic mutagens, cybernetic interventions, and biological acceleration. I’m talking, of course, about superheroes. Superheroes are modern mythology. And because of that, they make great metaphors for understanding big issues. With The Avengers movie officially announced, I can’t help but notice that the four main members* of Earth’s Mightiest Heroes – Thor, the Hulk, Captain America, and Iron Man – are great examples of the different ...