Yes, he did. In some comic storylines, Jim Gordon ended up in prison for various reasons related to his actions and circumstances.
No, Jim Gordon doesn't marry Lee Thompson in the comics.
In the comics, Jim Gordon doesn't have a marital relationship with Lee Thompson. Their storylines don't lead to marriage.
Jim Gordon might initially be in disbelief. But then, considering all the times Batman has helped him and the city, he could come to accept it. He may also start to see Bruce Wayne in a whole new light, realizing that his playboy persona was just a cover for his nocturnal activities as Batman. He might even become more protective of Bruce's secret identity, as he knows how important Batman is for Gotham.
Yes, Gordon did marry Leigh in the comics.
No, Gordon didn't marry Lee in the comics.
Yes, he does. Oliver Queen has faced imprisonment in some comic storylines.
The theme of sacrifice also comes up. Both characters are willing to sacrifice a lot for the safety of Gotham. In some fanfictions, they have to make tough choices that show their commitment to the greater good. For example, Gordon might risk his career to protect Batman's identity at times.
No, there's no such storyline in the comics.
The reason why Chen Ziang was sent to prison was because he had committed treason. In the novel, Chen Zi 'ang was dissatisfied with the political system at that time and joined forces with some officials to overthrow the emperor and establish his own dynasty. However, his plan was opposed by others. In the end, he was arrested and sentenced to prison for a series of crimes.
It's quite a complex process. They used a combination of stealth and strategic planning to overcome the prison's defenses.