'Captain America: Civil War': How does this superhero vs. superhero flick fare?

'Captain America: Civil War': How does this superhero vs. superhero flick fare?: Superhero v. superhero movies seem to be in the vogue in Hollywood nowadays, and now it is Marvel stepping up to bat with 'Captain America: Civil War' starring the Chris Evan's version of the titular character and Robert Downey Jr.'s Iron Man.