Yes. But the circumstances and context of his death can vary across different Marvel Comics arcs. Sometimes it's a heroic sacrifice, and other times it's due to unexpected events within the comic's universe.
Tony Stark is still male in the Marvel Comics universe. There haven't been any official changes to make him a woman. His character is well-known and established as male.
No. The Marvel universe focuses on superhero stories, with themes like heroism, sacrifice, and technological advancements. This kind of inappropriate concept has no place in the official and legitimate Marvel universe.
Well, Tony Stark has made appearances in quite a significant number of Marvel comic movies. To be precise, it's around a dozen or so. These include the Iron Man series and the Avengers movies.
Pepper Potts could be a big help. She knows Tony so well, and she could try to jog his memory by showing him things from their past together, like pictures or mementos. Rhodey could also be there for him. He could tell Tony stories about their military days and how they became friends, which might trigger some memories.
One common character paired with him is Bruce Banner. They could be gaming buddies, with Bruce using his scientific knowledge to help Tony improve his games or vice versa. Another is Pepper Potts. She might be shown as someone who tries to get Tony to take a break from his intense gaming sessions.