The DC-ification of Iron Man
I confess, I didn't read a lot of comic books before my college days (where my dorm had a comic book library), but on the great divide between fans of DC and fans of Marvel, I'm clearly a Marvel guy. One of the main reasons for this is the difference between the powers of the mainstays for the two franchises (Spiderman, for Marvel, with limited powers vs. Superman, for DC, with virtually unlimited powers). Sure, this is a broad generalization re the two worlds, with plenty of