What was Tony Stark doing in the car in the fanfiction?
Maybe he was having a deep conversation with Jarvis while sitting in the car. In many fanfictions, Tony Stark often uses his time in the car to discuss various matters with Jarvis, like new ideas for his Iron Man suit or strategies to deal with potential threats.
Perhaps he was just taking a break from his hectic life. Tony Stark is constantly busy with saving the world, inventing new technology, and dealing with business matters. So, being in the car could be a moment of peace for him. He might be listening to some music, enjoying the solitude, and getting some much - needed rest.
He could be on his way to a secret location. In the fanfiction world, it's possible that he's driving to a place where he's going to meet some other superheroes or conduct a top - secret experiment. He might be using the time in the car to think about what he's going to do when he arrives at the destination.
