There are so many fanfictions out there, and finding the 'tony is death son fanfiction' might take some time. You could also join some relevant fan communities. For example, on Reddit, there are often groups dedicated to specific fandoms. Post a request there asking if anyone knows of such fanfiction. People in those communities are usually very helpful and might be able to point you in the right direction.
Another option is to look for it on Wattpad. It's a well - known platform for fanfiction. However, it can be a bit like looking for a needle in a haystack. Maybe start by using some relevant tags or keywords in the search bar. If the concept is really unique, it might not be that common, but with some perseverance, you might get lucky and find what you're looking for.
Perhaps Tony discovers his true identity as Death's son gradually. Along the way, he could face challenges from other supernatural beings who either fear or envy his connection to Death. His relationships with his friends and family would also be severely tested as he tries to keep this secret and navigate his new reality.
One popular 'Tony is the Merchant of Death' fanfiction is 'The Iron Path'. It delves deep into Tony's complex character and his journey after being labeled as such. It shows how he grapples with his reputation and tries to make amends in a very engaging way.
There's also 'The Son of a Hero'. In this fanfiction, it focuses on the emotional journey of Tony growing up as Steve's son. It shows the difficulties they face, like Tony dealing with the expectations that come with being the son of Captain America, and how their relationship evolves over time through various challenges.
One good piece could be 'A Father's Love by [Author Name]'. In this fanfiction, Tony's actions towards Peter are so paternal. He takes care of Peter's studies, protects him from villains in a very fatherly way. Another one might be 'Our Pretend Family' where they have heart - warming moments like a real father - son duo.
Well, there's this fanfiction titled 'Lessons from Gibbs'. In it, Gibbs imparts his life lessons to Tony in a really heartwarming way. It shows how their relationship can be like a father - son dynamic. Then there's 'Tony's Growth under Gibbs' which focuses on how Tony changes and matures with Gibbs' influence. You can usually find these by searching the relevant tags on fanfiction websites.
There's also 'The Mentor and the Protégé'. In this fanfiction, Tony takes Peter under his wing not just as a superhero training him, but as a father would. It shows how they deal with the loss of loved ones together and how that strengthens their connection. It's really heart - warming.
One great 'dad Tony and son Peter fanfiction' is 'A Father's Guidance'. In it, Tony imparts his wisdom to Peter in a very heart - warming way. It shows how Tony helps Peter deal with school problems and also his superhero duties.
One popular one is 'Stark Heir' which really delves into Peter being Tony's son. It has great character development and explores how Peter fits into the Stark family.
There's a fanfic titled 'A New Family'. In this, Peter is adjusting to living with Tony and Steve. It has some really heart - warming scenes like family dinners and them helping Peter with his science projects. The story also delves into how the public reacts to this new family dynamic.
I'm not sure who Tony specifically is in this fanfiction without reading it. It could be an original character created by the author, or perhaps a reimagined version of a known character in a particular fictional universe.