Which Marvel character(s) should get a movie next?

The next big movie debut is going to be Guardians of the Galaxy, but following that, who should get a movie? There are heavy hints towards Doctor Strange and Ant Man. A Black Widow/Hawkeye buddy movie also seems possible. I've seen some fan support for Black Panther, Ms. Marvel, Luke Cage, and Iron Fist. Who do you want to see? I'd be very happy seeing Doctor Strange or Black Panther. I love Iron Fist but he's probably too minor of a character.