One great Jason Todd time travel fanfiction is 'Back in Time with Jason'. It's really exciting as it shows Jason traveling back to key moments in his past and making different choices. This alters the course of his life and his relationships with other characters in really interesting ways.
There's also a fanfic called 'Jason Todd's Time - Twisted Adventure'. In this story, Jason's time travel is involuntary and he has to figure out how to get back to his own time while dealing with the consequences of his presence in the past. It's full of action and has some great character development for Jason.
Chapter 298, "Hou Jing Surrenders, White Abyss Falls, Zhaoyang Changes Its Flag", is the clearest early answer because it turns Hou Jing's situation into a concrete plot event. Early on, Hou Kong is twenty-six this year, has a Superior Battle Body, and his.... By the end, If I win, I will release Hou Bing as agreed, how about it?" If I....
Chapter 245, "Cause and Effect, the Bigger Picture, Return to the Beehive (Part 2)", is the clearest early answer because it pushes Solidified Fire Oil into a new phase or setting. A useful checkpoint is the way the scene starts with Everyone's face changed dramatically when they saw Xia Hong's wound. and follows through with Every life loss will be accounted for that White Dew Gu....
Chapter 318, "Transformed Li Xuanling, Reform, 9th-Class Viscount (Part 2)", is the clearest early answer because it turns Han Yue's situation into a concrete plot event. A useful checkpoint is the way the scene starts with At this moment, tasting it herself, she finally realized just how... and follows through with Few could compare to his achievements in capturing Longyou..
Chapter 97, "Cloud Jiao Advances, Beast Blood Consumption", is the clearest early answer because Cloud Jiao Team finally turns buildup into a real advancement. It opens with When Xia Chuan returned to the camp with nineteen people and that... and closes on First place, Cloud Jiao Team: 44,300 (Intermediate) Second place,....
Chapter 285, "Two Families Stir, What Does the White Dew Gu Want to Defend?", is the clearest early answer because it turns Longshan's situation into a concrete plot event. Early on, Since Xia Hong insisted, Chen Peng and the others didn't have much to.... By the end, But who would've thought, over the past five days, rumors in Longshan....
Chapter 236, "White Dew Gu, Despairing Yuwen Dao, Yang Lu", is the clearest early answer because it turns Peng Bo's situation into a concrete plot event. The setup is Now that things have come to this, the destruction of Yanglu Camp is..., but the pressure keeps building through But as the leader, having worked tirelessly for the camp for so many....
Chapter 226, "Beehive Incident, Lin Ye Is Dead", is the clearest early answer because the violence around Wang Long becomes final instead of hypothetical. A useful checkpoint is the way the scene starts with The forty-eighth year of Longyou, April 15th The day of the scheduled... and follows through with Not only that, but the Zhaoyang people were evidently very familiar....
Chapter 295, "Deploying the Beehive, Splitting into Two Forces (2)", is the clearest early answer because it turns Hive's situation into a concrete plot event. The setup is How is the situation in Mirror Valley now?" "After nightfall, seven..., but the pressure keeps building through When I just set off for Wushuang, Mirror Valley was already....
Chapter 220, "Difficult Journey, Yucheng's Ordeal, Li Xuanling 2", is the clearest early answer because it pushes Long Mountain into a new phase or setting. It opens with Xia Hong's eyes flickered slightly, calculating in his heart while... and closes on Chen Yingyuan is precise with timing..
Chapter 213, "News from Long Mountain, Ecstasy, and Riot (Part 2)", is the clearest early answer because it turns Cold Resistance Level's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Upon hearing this response, Xia Hong's brow furrowed, and he said... and follows through with If you want me to go east, I will never dare to go west..