Over at the "Comics Should Be Good" website, they're doing a series of Five Most Iconic Covers. So far, they haven't done too many superstars; mostly, it's been B-listers like the Martian Manhunter, Black Canary, Hercules, and even a few villains, like the Green Goblin. One of the featured is my favorite Avenger, Hawkeye. To be clear, it's Clint Barton as Hawkeye, so anything featuring Kate Bisho…