The Joker in the Batman New 52 story evolves in a complex manner. His character is more unhinged than ever. He shows a greater understanding of Batman's weaknesses and uses them to his advantage. For instance, he might target Batman's friends or places that hold sentimental value for Batman. His evolution also includes a more grotesque and disturbing aesthetic. His makeup and overall look seem to be a reflection of his inner state of mind. He is constantly pushing the boundaries of what is considered acceptable behavior, even for a villain in Gotham. His actions have a wider impact on the city, causing not only physical damage but also psychological trauma to the citizens.
In the Batman New 52 Joker story, one key point is the Joker's extreme and unpredictable actions. He constantly challenges Batman in new and disturbing ways, like his elaborate and cruel schemes that target not only Batman but also those close to him. His appearance also has some new and menacing elements.