During his greeting speech, Lex made a reference to how Zeus cruelly punished the Titan Prometheus for enlightening humankind, much to the visible dismay of Diana. Shortly thereafter, she covertly stole a hacking device of Bruce Wayne's, who is likewise investigating Lex Luthor. She exited the party with Bruce pursuing her, but manages to make it to her car and drive off just in time for Bruce to see her depart.
Despite helping win the war, defeating Ares and still loving humanity, Diana is still left sobered, emotionally broken, psychologically scarred, and devastated over not having been able to save the Belgian village from Dr. Poison, as well as over her beloved Steve Trevor's self-sacrificing death. Indeed, Diana would later claim that she "would never be the same" ever again after World War I. Moreover, in the years that followed, Diana bore witness to a "century of horrors" (Wars, Fascism, Communism, nuclear weapons' deployment, geopolitical brinkmanship, racism, homophobia, genocides, war crimes, propaganda, and etc.), and due to all of this occurring without Ares being there to spread corruption, Diana almost completely lost faith in humanity, coming to believe that humans "made a world where standing together is impossible". As such, Diana resolved to mostly abandon superheroism for 100 years.
Earning a total of $103.3 million on its opening weekend, the film recorded a number of records: the biggest domestic opening of all time for a female director (surpassing previous record holder Fifty Shades of Grey), the biggest DC Comics release without Batman or Superman (ahead of Constantine), the sixth-biggest non-sequel comic book superhero debut ever, as well as the sixth-biggest June debut weekend. Its three-day opening alone made it the highest-grossing woman-led comic book superhero film ever (surpassing Ghost in the Shell). It was also the 16th superhero film to cross $100 million in its domestic box office launch. About 9% ($9 million) of the opening weekend came from IMAX screenings from 343 theaters. In its second week the film grossed $58.5 million, again topping the box office. It marked a 43.3% drop for its second weekend at the box office, better than the average 50–60% decline superhero films tend to see, and was a better second weekend than Batman v Superman: Dawn of Justice ($51.3 million) and Suicide Squad ($43.5 million). In its third weekend it grossed $40.8 million, finishing second behind newcomer Cars 3 ($53.5 million). It was the second-best third weekend ever for Warner Bros. and was nearly double what Batman v Superman ($23.3 million), Suicide Squad ($20.9 million) and Man of Steel ($20.7 million) made in their third weekends. It earned $24.9 million and $15.7 million in its fourth and fifth weekends, respectively, dropping just 39% and 36% despite facing rough competition from opening films Transformers: The Last Knight and Despicable Me 3. It eventually became the highest-grossing film directed by a woman, surpassing the previous records of Jennifer Yuh Nelson's Kung Fu Panda 2 and Phyllida Lloyd's Mamma Mia!. By August 8, the film had garnered $400 million in ticket sales, becoming the second female-fueled film (after Disney's Beauty and the Beast), Warner Bros.' third-biggest movie (after Christopher Nolan's The Dark Knight and The Dark Knight Rises), holding the record of the highest-earning superhero origin film, replacing the previous record held by Spider-Man (2002). It also becoming the highest-earning film with a female director in terms of domestic earnings—surpassing Frozen (2013).
On October 21, 2016, the United Nations controversially named Wonder Woman a UN Honorary Ambassador for the Empowerment of Women and Girls in a ceremony attended by Under-Secretary-General for Communications and Public Information Cristina Gallach and by actors Lynda Carter and Gal Gadot. The character was dropped from the role two months later after a petition against the appointment stated Wonder Woman was "not culturally...sensitive" and it was "alarming that the United Nations would consider using a character with an overtly sexualized image".