The news comes directly from Sorkin himself, who, in an interview with Entertainment Weekly, admitted that it "never occurred" to him that Eisenberg wouldn't want to return to the role that earned him an Oscar nomination. Sorkin had been deep into writing the script for 'The Social Reckoning' when he approached Eisenberg, confident in his return.

Eisenberg's reasoning, according to Sorkin, was not financially driven. The screenwriter noted that money is not a motivator for the actor; in fact, it's almost a "disincentive for him." Sorkin elaborated on Eisenberg's admirable stance, stating, "He’s very concerned about raising his kids with too much money."

Beyond the financial aspect, a primary factor in Eisenberg's decision appears to be a desire to distance himself from the Facebook founder. Sorkin explained that Eisenberg "doesn’t like being conflated with Mark Zuckerberg anymore" and is uncomfortable with the physical resemblance and the fact that the role remains what he is most recognized for.

Sorkin recounted his extensive attempts to bring Eisenberg back into the fold. He spent an entire three-day weekend engaging in detailed conversations, even creating an outline of arguments to sway the actor. These persuasive points included reminding Eisenberg of his past success in the role and highlighting compelling scenes he would get to play in the sequel. Despite these dedicated efforts, Eisenberg remained resolute in his decision to pass on the project.

With Eisenberg's departure, the role of Mark Zuckerberg for 'The Social Reckoning' was ultimately cast with Emmy-winning actor Jeremy Strong, known for his intense portrayal of Kendall Roy in 'Succession.'

'The Social Reckoning' shifts its focus from Facebook's origin story to a more contemporary scandal. The sequel centers on a 2021 document leak, inspired by real-world events, which exposed the social media giant's alleged detrimental impact on society. The story follows Facebook engineer Frances Haugen, played by Mikey Madison, as she delivers the platform's closely guarded secrets to Wall Street Journal reporter Jeff Horwitz, portrayed by Jeremy Allen White. The ensemble cast also includes Bill Burr, Wunmi Mosaku, Billy Magnussen, and Betty Gilpin.

'The Social Reckoning' is set to premiere in theaters on October 9, offering audiences a fresh look at the complex world of social media and its far-reaching consequences.