Memories of Iron by
becuzitswrong.
Taylor Hebert always triggered because of the bullying of classmates and a former friend. Here, instead of triggering, a cosmic entity gifts her with the memories of a man as talented as he was tormented. One who accomplished amazing things in his life. Now Taylor has the opportunity to use that knowledge to save her world. First, she'll need to save her own sanity.
Crossover - Ironman & Worm - Rated: T - English - Adventure - Chapters: 12 - Words: 61,832 - Reviews: 346 - Favs: 332 - Follows: 372 - Updated: 6h ago - Published: Mar 30 - A. E. Stark/Tony, Skitter
Basically, Taylor gets all of Tony's knowledge and memories, which causes some problems with his memories overly influencing her, and starts using his technology to try and make her world a better place. Good fic.