The origin story on this one is a bit mussed. I've been sitting on this idea since before I started writing Spitfire, so, a few years.
I was contemplating the Hulk one afternoon, as one does. It makes sense that he gets giant and violent when he's angry (unless you buy that he's always angry), but I never got why he turned green. I started thinking about what emotions would look like as superpowers. I imagined a little girl literally glowing with joy, reading a book by her own light under the covers long after her bedtime. And it kept going from there. But most powers were painful in their first showing. For example, a flash of light from a burst of joy would blind anyone close enough.
So I have a group of people with emotional superpowers. But they're also super messed up because of what happened when their powers first showed. And anyone who is ever been told to smile knows that you don't get to t…