Why? Because it never occurred to me that there would be Clint/Natasha fanfic out there in the universe. What's more: It never occurred to me that people would be creating fantasy movie posters about Black Widow and Hawkeye's time in Budapest. I mean seriously. Look at
this one. And
this one. I mean, are these awesome, or what? Go google up "Clint Natasha Budapest." The fannish creative instinct is alive and well. How awesome is that?