It really depends on the specific comic series. Some might have new villains or story arcs emerge, while others might focus on the aftermath and character development.
In the fanfiction, after Darcy's glasses fell off, it might have signaled a change in her character's arc. For example, without her glasses, she could have felt more vulnerable, which could have led her to be more open and honest with Thor. This could then develop into a deeper relationship between them, whether it's a friendship or something more romantic. Also, it could be that the act of her glasses falling was a comical moment that lightened the mood in a tense situation involving Thor and some sort of danger or conflict.
In the comics after Avengers: Endgame, there are various storylines and developments. New threats emerge, and old villains might return with a vengeance.
The novel you mentioned might be the book, What to Do If You're Taken by the Missy. The male protagonist, Fang Ye, accidentally became attached to the Missy, Han Niannian, because he was kidnapped. The girl who was later adopted by the assistant should be Han Niannian. I hope you like my recommendation. Muah ~
Well, if Tony wasn't there to assist, the balance of power would have shifted greatly in Thanos' favor. It's likely that the heroes would have faced more losses and the fate of the universe would have hung in the balance in a much more uncertain way.
Wanrong's fate was very tragic. She was taken away by the Japanese and placed under house arrest. Later, she fled Changchun but was arrested and eventually died in prison. She spent her life in the Cold Palace, imprisoned for 10 years, causing her to have schizophrenia. Wanrong's experience was very tragic. She did not enjoy the glory and wealth of the Empress and finally spent her later years in captivity.
The plot of the first season of the celebration ended with Fan Xian being stabbed by Yan Bingyun, but in reality, Fan Xian did not die. In the second season, Fan Xian would " come back from the dead " and enter the Overwatch Council with everyone's support. He would use the Overwatch Council's power to search and investigate the Second Prince's rebellious actions. At the same time, he reported the Second Prince's crimes to the Qing Emperor. In the end, the Second Prince was stripped of his status as a Prince and chased out of Jingdou. The Qing Emperor was eventually killed by Fan Xian. The other people's endings included Fan Xian living in seclusion in Jiangnan and marrying Lin Wan 'er as the main wife. Sisi and Zhan Doudou were side wives. The Qing Emperor's Eldest Princess, Crown Prince, and Second Prince all failed and committed suicide. Chen Pingping was sentenced to death by the Qing Emperor and died.
After Qing Yu Nian, a series of rebellions occurred. The Qing Emperor sealed off the news and announced to the outside world that he was dead. He also launched a counterattack. The Eldest Princess, the Crown Prince, Qin Ye, and the others had all participated in the rebellion. However, Fan Xian firmly put down this rebellion and became the big winner. In addition, Fan Xian had suffered internal injuries while on Dong Mountain and jumped into the sea to heal.