Fraction is a great writer. For a narrow range of stories. He excels at genre-bending, and pop culture zaniness. He's not so good at writing a straight up superhero book. IIF was great because he wrote it as a retooled, fanboy-version of chop socky films and 70s kung fu comics. He wants to do something similar with IIM, but he doesn't have the science-imagination chops, or the ability to convey the gravitas an Iron Man book occasionally needs.

Sassy!Maria Hill isn't Hill. Sassy!Natasha Romanov isn't Natasha. Buzzword!Tony Stark isn't Tony. I think Fraction could write a kickass Iron Man mini, but he's not so great for the long haul. His lack of canon knowledge is showing, as is his lack of interest in the supporting characters, (as they have been previously characterized).