I thought you'd say yourself...
Either Catwoman or Raven from Teen Titans...
You made that up.
I'm trying to picture him.
Okay ... he's certainly my type!
For me it is Iron Man
Can't help it there is just something about Tony Stark that I love.
I'm still smitten with the 1950's Superman.
I don't know. But I do know that this is one of the most erotic covers ever drawn.
My thought is that depending on how you define "romantic", the most romantic superhero is either Gambit or Rogue (or Mr. Freeze which someone talked about above)... but this is interesting because Gambit and Rogue were in a long standing relationship.