Re: Man of Steel does have kryptonite
Batman figures it out. It takes Clark --and everyone else who conceive of him being invincible-- by surprise.
EDIT: as for how Batman figures it out? Again, he doesn't until he tests it on the field. He risks his neck on it. This is science-savvy Batman.
THE JUSTICE BULLETIN published some of my thematic analysis on the symbolism in Nolan's superhero saga.
I call it Heroic Archetypes
. You can read the parts on Batman Begins
in the following links:
; pt 2
; pt 3
; pt 4
; pt 5
; pt 6
; pt 7