Anthony Edward Stark

It bothers Bruce - he's consigned some stranger to the fate he's fighting - but it doesn't bother Bruce enough to not follow Kiara and it definitely doesn't bother him enough to want to spare Hulk from the same fate.

What also bothers him is to think that his "children" will do the same thing to some sentients an unknown number of years or centuries or millennia from now.

His curiosity draws him in to examine the vials and dagger. "My blood's a mutagen. I have no idea how it might affect your body. For that matter I have no idea if my genetic material is going to be compatible with yours. What if you can't--" He turns his hands palm up, showing them empty. "--conceive?"