Let's tie in all the things!
That's how I discovered TextsFromSuperheroes.com, which is no surprise- Doctor Who lovin' gets me exposed to all sorts of cool things. But this site has a lot of pretty good "conversations" and is definitely worth a look-through. There are lots of gems in there.
Like Cap and Stark getting political:
Oh, this one explains quite a bit:
Who do you want to see converse?