Tony Stark's Sister

Tony Stark's Sister

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WpMetadataNoticeLast published Tue, Mar 18, 2025
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Fanfic
Marvel
When at 15 Katherine's parents die, her brother, Tony Stark, becomes her legal guardian. After the worst year of her life being under her brothers control she made a run for it and finally succeeded at getting away. That is until 3 years later, after she became a professional criminal for hire to make ends meet and showed up on SHIELDS radar. Now her options are life imprisonment or join the Avengers under her brothers command and custody. Oh and you can bet he is not happy when he finds out where she's been.
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#134
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Cassidy Martin didn't ask for any of this, and she doesn't want it. Her powers came to her by an accident, a fluke, and now they're threatening to ruin her life. But she can control metal now. She can turn invisible. She can fly. And she has no idea what to do about it. When Cassidy stumbles into the world of the Avengers, she has two choices. She can run from herself, or she can embrace what she is. And maybe along the way she can teach another lost soul to embrace himself as well. Loki. He was sure he was a villain, then he wasn't quite sure what he was, and now he may only be sure of her. But what is sure is that something much bigger than all of them is threatening the home they love, and its name is Thanos. So, she now has the superpowers and the Avengers at her back, but don't be fooled. Cassidy Martin is no hero. She couldn't even save herself. A/N: This story takes place a few months after the events of Civil War, and right after Ragnarok (so before Infinity War). This story is in a lot of ways my replacement to Infinity War.

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