This is to address the news of a possible Katee Sackhoff superhero (which would be totally awesome). It was mentioned on podcast that she might play Captain Marvel in an upcoming Marvel franchise movie and the possible gender bending that would go on.
Unfortunately, that is not going to happen because the male Captain Marvel is a DC comics character (Batman, Superman, etc.), but the Captain Marvel rumored is a Marvel comics character and has always been a woman. The confusion arises because Captain Marvel in the Marvel comics used to be known as Ms. Marvel. Captain Marvel in the DC comics is now known as Shazam. It's dumb and we know it.
Captain Marvel --> Shazam (DC) http://en.wikipedia.org/wiki/Captain_Marvel_(DC_Comics
Ms. Marvel --> Captain Marvel (Marvel) http://en.wikipedia.org/wiki/Ms._Marvel
I do think it would be really interesting to swap some genders though. I really like the idea of a female Han Solo (Jennifer Lawrence) like Rhea mentioned in an earlier episode.