Did the character in the novel join the army with Iron Man's father and Captain America?

Yes, in some storylines, Iron Man has come out on top in their battles.

In the comics, Iron Man did not kill Captain America. Their conflicts and battles were part of the storylines, but not to the extent of one killing the other. The relationship between them was complex but not fatal.

I don't think they did. At least not in the mainstream comics that I'm familiar with.

Maybe it was part of a special storyline or a way to create a major impact and stir emotions among the readers. Sometimes, such unexpected actions can drive the narrative in new and interesting directions.

Yes, Iron Man 1 did have the image of Captain America's shield.

This book was called " The Armor Warrior in the Marvel World." The protagonist traveled to Captain America, Captain America, and Howard Stark to fight together. Later, he traveled to Iron Man and became Iron Man. I recommend this book to you. I hope you will like it.😋

In the comics, Iron Man doesn't end up killing Captain America. Their battles and disputes have various outcomes, but not one that involves a fatal blow from Iron Man.

They are all popular characters from the Marvel universe. Sometimes, there might be crossovers or references in various forms of media.

They are usually shown as powerful heroes with distinct personalities and skills. Captain America is the symbol of justice and patriotism, while Iron Man is the tech-savvy genius.