I'm not entirely sure specifically what a 'colleen wing abuse fanfic' is. It could potentially be a fan - created fictional work related to a character named Colleen Wing that involves some form of abuse in the story, but without more context it's hard to say exactly.
No, it's not appropriate. Abuse is a serious and often disturbing topic, and if it's being used in fanfic in a gratuitous or inappropriate way, it's not acceptable. Fanfic should generally promote positive or at least ethical values.
I'm not sure specifically which 'Colleen Wing punish fanfics' are considered good. You could try searching on fanfic - specific platforms like Archive of Our Own. They have a large collection of fan - made stories and you might be able to find something relevant there.
Colleen Wing doesn't obtain the Iron Fist. In the comic universe, the Iron Fist power is usually bestowed upon specific individuals, and Colleen Wing isn't one of them. There are established storylines and character developments that don't lead to her having this ability.
Colleen Wing does not wield the Iron Fist in comics. The power of the Iron Fist is a specific trait given to certain characters, and Colleen Wing is not among them. However, she has her own unique skills and storylines within the comic universe.
You can start by looking on popular fanfic websites such as Archive of Our Own (AO3) or FanFiction.net. These platforms have a wide variety of fanfics and might have some related to Colleen Wing and the concept of punishment.
One of her novels is 'The Ladies of Missalonghi'. It's a story that delves into the life of a young woman in a small Australian town. The characters are well - drawn and the story is full of charm.