One interesting fact is her backstory. She was once a loving wife, but was turned into a cold - hearted assassin. Her transformation gives her character a lot of depth.
A lot of fanfictions focus on the idea of forbidden love. Since they are on the same side in Talon, but their relationship is often complicated by their own personal issues and the nature of their work. Also, there's the theme of power dynamics. Reaper's more aggressive and powerful nature compared to Widowmaker's cold and calculated one can lead to interesting relationship dynamics in the stories.
Well, Widowmaker's origin story is quite tragic. Amélie was a normal person with a normal life. However, Talon had their eyes on her. They managed to get her in their clutches and transformed her. This transformation involved some sort of mind - altering process. As a result, she lost her former self - awareness and emotions, becoming a tool for Talon. She's now a highly - skilled sniper, feared by many in the Overwatch universe.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of Overwatch fanfictions, and you can simply search for 'Reaper x Widowmaker' in the search bar. Another option is FanFiction.net, which also has a decent amount of Overwatch related fan stories.
One aspect of Hanzo x Widowmaker fanfiction could be the exploration of their contrasting personalities. Hanzo is often portrayed as a brooding and honor - bound character, while Widowmaker is cold and efficient. In fanfictions, their relationship might start from an unexpected encounter on the battlefield. For example, they could be forced to team up against a common enemy, which then leads to a growing understanding and attraction between them.
The K - 19 Widowmaker's real story is full of heroism. The submarine had a malfunction in its reactor system. The crew, with little time to react, had to endure high levels of radiation while attempting repairs. They managed to prevent a catastrophic nuclear event. This incident showed the great courage and sacrifice of the sailors, who were exposed to deadly conditions just to keep the submarine and the surrounding area safe from a nuclear disaster. It also highlighted the risks associated with nuclear - powered submarines in those early days of their development.