One of the great ones is 'Iron Man: Extremis'. It re - imagined Iron Man's origin in a really cool way. Another is 'The Invincible Iron Man' which has some epic battles against the Iron Monger. And 'Iron Man: Demon in a Bottle' is also a classic that delves deep into Tony Stark's personal struggles while dealing with threats like the Iron Monger.
One great Iron Man fanfiction is 'The Iron Avengers'. It has an interesting plot where Iron Man teams up with alternate versions of the Avengers. Another good one is 'Iron Man: Techno Legacy' which delves deep into the technological advancements that Iron Man could have made in an alternate timeline. And 'Iron Man's Secret Protocols' is also a must - read as it shows some hidden aspects of Iron Man's plans and strategies.
One great 'Avengers Iron Man Fanfiction' is 'The Iron Avenger's New Tech'. It shows Iron Man creating some amazing new gadgets that help the Avengers in a really unique way. The character interactions are really well - written too.
I really like 'Stark Love'. In this fanfiction, the romance is not just about the typical lovey - dovey stuff. It shows how Tony's love interest challenges him and makes him grow as a person. The story also has some cool action scenes that are in line with the Iron Man theme.
There's also 'When Deadpool Meets Iron Man: A Bromance'. This one focuses on the developing friendship between the two. It starts with them being at odds but as the story progresses, they start to understand and respect each other more. It's a heart - warming take on how these two very different characters could become friends.
One great 'Iron Man OC Fanfiction' is 'The Techno Titan's Apprentice'. It has an interesting original character who teams up with Iron Man to face a new threat from an AI gone rogue. The story is full of action and the OC's unique skills add a fresh twist to the Iron Man universe.
There's no official indication in the main Marvel canon that Howard Stark reads Iron Man fanfiction. Howard was a brilliant inventor and businessman, mainly focused on his scientific and entrepreneurial pursuits. Fanfiction is a modern and often fan - created concept that might not have been part of his world view. However, in some alternate universes or fan - speculations, it could be possible, but still not a common or established idea.