In the comics, Ironman was not the one to make Spider-Man's suit. Spider-Man's suits usually come about through his own ingenuity and various story developments within the comic universe.
Sure. Ironman's kid in the comics is Morgan Stark. This character adds a new dimension to the story and explores the family aspect of Tony Stark's life.
Well, Ironman's death in the comics was a heroic act. He made a huge sacrifice to protect the world. His suit couldn't handle the immense power needed to stop the threat, and it ultimately cost him his life.
You can try completing certain quests or participating in specific events related to it. Sometimes, rare drops from monsters might also give you a chance to obtain it.