User blog comment:Bluehunter16/Earth-BH16 Help Wanted!/@comment-1751305-20150819015234/@comment-5500388-20150819042950

Glad you'd like to join. Hawkeye is available. You can pretty much do whatever you want with the character, but if you want another character to make an appearance maybe just talk to the writer to make sure it wouldn't contradict their story. Other than that, you can do whatever.