The placement of the Avengers in Iron Man 3 fanfiction can be all over the place. It could be that they show up to assist Iron Man, or they might be off on their own missions and only mentioned briefly. It all comes down to the imagination of the fanfic writer.
You can find 'Avengers Iron Man Fanfiction' on websites like Archive of Our Own (AO3). It has a huge collection of fan - made stories. Just search for 'Avengers Iron Man' in the search bar and you'll get a ton of results.
One way could be through a technological fix. Maybe in the fanfiction, some super - advanced alien tech falls into Iron Man's hands. He then uses his genius to integrate it into his suit, fixing any previous glitches or weaknesses. For example, if his power source was running low or unstable, this new tech could provide a more efficient and long - lasting power solution.
One popular theme is alternate universes. Writers like to explore what would happen if certain events in the MCU went differently, like if Iron Man didn't build the first Iron Man suit. It gives a whole new perspective on the characters.
A really cool fanfic is 'Iron Man's Redemption'. In this story, Tony has to face the consequences of some of his past actions and tries to redeem himself while also dealing with new threats to the Avengers. It delves deep into his character.
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.
They might be amused. Tony Stark himself would probably be quite smug, seeing all the creative ideas fans have about him. Steve Rogers might be a bit confused at first by some of the more out - there concepts in the fanfiction. Natasha Romanoff would likely be quietly observant, picking up on the different characterizations of Iron Man in the stories.
You can start by looking on popular fanfiction websites such as Archive of Our Own (AO3). It has a vast collection of fanfictions, and you can use the search function to specifically look for ones related to the Avengers watching Iron Man fanfiction. Just type in the relevant keywords, and it should show you a list of stories.
What if Iron Man discovers a flaw in his suit's design that could potentially be catastrophic? In the fanfiction, he goes on a quest to find the rarest materials in the universe to fix it. Along the way, he meets different alien races, some friendly, some not. This adventure not only leads to him fixing his suit but also expands his knowledge of the universe and makes him a better hero.
For Thor, it might be the action scenes where Iron Man is flying around and shooting things. He'd probably enjoy the display of power. Natasha might like the scenes where Tony is being clever and outsmarting his enemies with his technology.
They might be quite surprised. Some might find it interesting to see how fans imagine different scenarios for Iron Man 3. For example, Thor could be amused by the creative interpretations of Stark's technology. Captain America might be a bit taken aback by some of the more out - there plot ideas in the fanfiction.