"It's... a little more complicated than that." Split personality with his own body all of a sudden... how do you explain that? He just doesn't realize that he's unknowingly feeding her clone theory though, or making it sound more ominous than it may actually be.

"A skeleton and a robot." Sounds like they could be the next Avengers candidates, so why the hell not?

"Yeah? Well, we were kind of together-- when it happened, I guess." In the underworld, dead. Maybe one can't go without the other, which already makes this a better afterlife than the one he was offered back home.