Spider - Man. Even though he was a new addition in the Civil War story, in fanfics, his naivete and his eagerness to prove himself can lead to some really interesting and salty situations. He might be salty about being used by the adults in the conflict or not fully understanding the complexity of the situation at first.
Definitely Iron Man and Captain America. Their conflict was at the heart of the Civil War, so in 'salty civil war avengers fanfic', they often play major roles. Their salty exchanges and complex relationship are always a big draw for fans.
Black Widow is also popular. She's caught in the middle of the civil war, and in fanfics, she can be really salty about having to choose sides or deal with the mess that her friends have created. Her character's moral ambiguity and her skills make her an interesting addition to any 'salty civil war avengers fanfic'.
Chapter 796, "No Such Person?!", is the clearest early answer because it turns Eve's situation into a concrete plot event.
Chapter 714, "I'm Using Voice Input", is the clearest early answer because it turns Shi Xu's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Li looked at Jiang Mingyu, who appeared deeply hurt, and...
The best chapter pointer here is Chapter 9, "The Qiao Family's business isn't big, but they have quite the audacity". It opens with Exactly, the Qiao Family isn't that great either. and closes on Qiao, unable to save face, slapped her daughter across the face, "Didn't I....
Chapter 879, "Is it My Turn to Settle Accounts?", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. It opens with Jiang Li gave her a meaningful look. and closes on At this moment, her expression completely turned cold..
Chapter 827, "Mystical Event Investigation Bureau", is the clearest early answer because it turns Mr's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Li's words indeed make sense.
Chapter 476, "Make a feint to the east but attack in the west, take something out of a bag effortlessly", is the clearest early answer because Jiang Yan gets a payoff that changes the stakes. It opens with A long half hour had passed, yet their trap hadn't even attracted a...
Chapter 633, "It's Time for Us to Attack!", is the clearest early answer because the buildup finally cashes out in a real clash. A useful checkpoint is the way the scene starts with Jiang Li also sat down beside him, then gently sniffed the fragrance...
Chapter 906, "Big Brother, are you jealous?", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event. A useful checkpoint is the way the scene starts with A few people were somewhat surprised.
Chapter 761, "Can You Take Us In?", is the clearest early answer because it turns Capital's situation into a concrete plot event.