[Wood Space: Farmer Girl is a bit square.]
[Modern]
Mu Xiaoxiao and her grandmother had depended on each other since she was young. Her grandmother was an embroidery master and also knew medicine. As she grew up, Mu Xiaoxiao realized that her grandmother was different from other old people. She became more and more mysterious. When she was 17 years old, the apocalypse arrived. At the same time, her grandmother, who had grown up with her, disappeared. [Ancient Times]
What was going on? Wasn't she dead? How did he end up in an unfamiliar dynasty and become an unborn baby? Since she was already here, she should take it as it was. Fortunately, her family was a top-notch aristocratic family and did not have to worry about food or clothing. Just like that, he became a disciple and learned skills, wandering the Jianghu. But how did immortals appear?
[Cultivation Chapter]
Stepping on the immortal path, I wonder where the road ahead is? In an accident, her soul traveled to the Underworld, only to find out that the legendary Meng Po was the grandmother who had taken care of her when she was growing up. Mu Xiaoxiao cried, thinking that she would never see her family again. When the layers of fog were peeled away, his background gradually surfaced. Oh my god! His mother was actually a tree, and his grandfather was a matchmaker, huh? Mu Xiaoxiao didn't understand…
I'm loving this it's completely different in regards to it being a MCU and PJO crossover world. But in the earlier chapter where the author explains the time-line could you also add a bit to do with the x-men as I've posted a comment to do with me not understanding the x-men time-line as laura(X-23) has already been born/created but Charles Xavier and Magnito are still working together like in x-men first class.