Maybe the Avengers are under a curse that is slowly draining their powers. Percy, being a demigod, has some knowledge of curses. He hears about the Avengers' plight and decides to help. He embarks on a journey to find the source of the curse, facing many challenges along the way. Once he finds it, he uses his powers and the help of the Avengers (even with their weakened state) to break the curse and save them.
The plot could involve an ancient artifact that the Avengers find. Unbeknownst to them, it has the power to summon a great evil from Percy Jackson's world. When this evil arrives, it starts to overpower the Avengers. Percy senses the disturbance and comes to the rescue. He and the Avengers must then work together to figure out how to send the evil back and keep the artifact safe, with Percy using his knowledge of ancient magic and the Avengers using their technology and superpowers.
Chapter 867, "Then what does our child count as?!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event.
Chapter 780, "There's Someone in Your Room!", is the clearest early answer because it turns Was Jiang Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from Sister Li was a bit confused.
A practical answer is Chapter 17, because it turns the idea into a concrete scene. The chapter opens with Jiang Li glanced at Jiang Shixu, who was tense and anxious behind her, and..., adds pressure through That girl who puts on makeup like a ghost deserves to be called naturally..., and ends on.
Chapter 816, "Don't Take Them Seriously", is the clearest early answer because it turns Mom's situation into a concrete plot event. The setup is Unexpectedly, they didn't cry or fuss;
Chapter 786, "Working at Chen'an?!", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event. The chapter turns that into something concrete by moving from When Jiang Li left Taiqi's office building, it was already getting...
Chapter 819, "Invitation", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from What Yu Li said is something these prominent families often do. to Lin Manru's studio also resumed work..
A practical answer is Chapter 1, because it turns the idea into a concrete scene. The chapter opens with Jiang Li, I'm warning you, don't set your sights on Yinwan anymore, or..., adds pressure through Coming to his senses, he also switched to a kindly smile, "Alright, girl,..., and ends on Yet.
Chapter 798, "How to Be a Dad? You Don't Even Care About Your Child!", is the clearest early answer because it turns Jiang Bufan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Bufan sniffed hard and took a step back.
Chapter 920, "College Entrance Exam Results Inquiry", is the clearest early answer because it turns Rong Kexi's situation into a concrete plot event. It opens with Outside the nursing home, Meng WanZhi anxiously waited in the car for...