Can you recommend some good 'Captain America and Iron Man fanfiction'?

Sure. One great 'Captain America x Iron Man' fanfiction is 'Allies and More' which delves deep into their complex relationship. It shows how they overcome their differences and work towards a common goal while also exploring their personal feelings for each other in a very heartwarming way.

Sure. One popular 'Captain America x Iron Man fanfiction' is 'The Road to Reconciliation'. It delves deep into the relationship between Steve and Tony after their big fight. It shows how they gradually come to understand each other's viewpoints and start to rebuild their friendship.

There's also 'Team Iron Man: The Unseen Perspective'. This fanfic gives a lot of focus on the relationships within Team Iron Man. It shows how they support each other during the civil war and their reasons for standing with Iron Man.

There's a fanfiction where they are in a world where the roles of heroes and villains are reversed. Captain America and Iron Man find themselves on the wrong side of the law according to the new world order. They have to fight against this new system while also trying to figure out what caused the role reversal. This plot really makes you think about the nature of heroism.

There is a fanfic named 'Cap and Iron Man: United Front'. In this, they team up against a new and powerful enemy that threatens the whole world. It's full of action scenes and also some heart - to - heart conversations between them that are really well - written.

There's 'Spider - Man and Captain America: United Front'. In this fanfiction, they start off with a bit of a misunderstanding but then quickly realize they need to work together. It delves into their different ideologies and how they find common ground to fight the bad guys. It's a really interesting read if you like exploring the characters' personalities.

Sure. One popular Captain America and Spider - Man fanfiction is 'The Avengers' Newest Recruit'. It has an interesting plot where Spider - Man teams up with Captain America in a unique mission that involves saving a city from a new super - villain. Another great one is 'Cap and Spidey's Adventure', which focuses on their relationship and how they learn from each other's strengths.

In the world of fanfiction, the idea of Iron Man killing Captain America can be quite controversial. Ethically, it goes against the typical heroic and friendly relationship they have in the mainstream Marvel universe. However, fanfiction is a space for exploring different scenarios, so while it may seem unethical to some, it can be a creative exploration for others.

A third common theme is sacrifice. Fanfictions may depict situations where either Captain America or Iron Man has to sacrifice something for the greater good or for the sake of their relationship. It could be something as simple as sacrificing personal time to train together or as big as sacrificing a chance at personal glory to save the other.

One interesting fanfiction could be where Captain America and Iron Man have to team up in an alternate universe to fight a new threat that combines their worst enemies' powers. It could explore their relationship in a different setting, highlighting their differences and how they overcome them to save the day.