Although she initially forbids Diana to be trained as a warrior, Hippolyta reluctantly agrees to let General Antiope, Hippolyta's sister and Diana's aunt, train her, only more rigorously than any other warrior. In 1918, Diana, now a young woman, rescues US pilot Captain Steve Trevor when his plane crashes off the Themysciran coast. The island is soon invaded by German soldiers that had been pursuing Trevor. The Amazons kill the crew, but Antiope sacrifices herself to save Diana. Steve is interrogated with the Lasso of Hestia and reveals that a great war is consuming the outside world and that he is an Allied spy. He has stolen a notebook of the chief chemist Dr. Isabel Maru, who is attempting to engineer a deadlier form of mustard gas under the orders of General Erich Ludendorff from a weapon facility in the Ottoman Empire. Believing Ares to be responsible for the war, Diana arms herself with the "Godkiller" sword, the lasso, and armor before leaving Themyscira with Steve to locate and stop Ares for good.
To find the perfect location to shoot the Amazon island of Themyscira, the birthplace of Wonder Woman herself, the film's producers searched all over the world, finally settling on the Cilentan Coast: a stretch of coastline on the Tyrrhenian Sea, located in the Province of Salerno in Southern Italy.[134] It was chosen because most beaches in the world that sit below big cliffs disappear beneath the tide for part of every day. Production designer Aline Bonetto and her location manager Charles Somers considered 47 countries and visited several of them before they found what they were looking for. Bonetto explained that, "Italy had beautiful weather, a beautiful blue-green sea, not too much tide, not too much wave. Our effects team added some cliffs in post-production, and it was the perfect way to go".[135] The estuary at Lower Halstow in Kent is featured in the scene in which Diana arrives at a Belgian creek to make her way to the warfront.[136] Bill Westenhofer served as the visual effects supervisor for the film[137] and Martin Walsh served as editor.[127]
Wonder Woman's advocacy for women rights and gay rights was taken a step further in September 2016, when comic book writer Greg Rucka announced that she is canonically bisexual, according to her rebooted Rebirth origin.[255][256] Rucka stated, "... nobody at DC Comics has ever said, [Wonder Woman] gotta be straight. Nobody. Ever. They've never blinked at this."[253] Rucka stated that in his opinion, she "has to be" queer and has "obviously" had same-sex relationships on an island surrounded by beautiful women.[257][258] This follows the way Wonder Woman was written in the alternate continuity or non-canon Earth One by Grant Morrison,[259] and fellow Wonder Woman writer Gail Simone staunchly supported Rucka's statement.[260] Surprised at the amount of backlash from her fanbase, Rucka responded to "haters" that consensual sex with women is just as important to Wonder Woman as the Truth is to Superman.[261]

Jenkins disagrees with this line of critique. She has stated that she was raised by a second-wave "feminist mother",[240][241] who taught her to be "both super aware that there had been sexism but also: 'Congratulations—thank you, now I get to do whatever I want, Mom!'"[240] Jenkins thus notes that it is this upbringing which has led her to question a feminist critique of Wonder Woman's costume.[242] When she was working on her own version of Wonder Woman's "Gladiator" re-design of the outfit (in the 2016 film Batman v Superman: Dawn of Justice)[243] Jenkins decided that Wonder Woman (as well as the other Amazons) "shouldn't be dressed in armor like men ... It should be different ... I, as a woman, want Wonder Woman to be hot as hell, fight badass, and look great at the same time—the same way men want Superman to have huge pecs and an impractically big body."[17] Jenkins also notes that she is "frustrated" by the critique of Wonder Woman's appearance, stating "when people get super critical about her outfit, who's the one getting crazy about what a woman wears? That's who she is; that's Wonder Woman."[241] Gal Gadot concurred with Jenkins, arguing that the character "is a feminist"[244] as "feminism is about equality and choice and freedom. And the writers, Patty and myself all figured that the best way to show that is to show Diana as having no awareness of social roles. She has no gender boundaries. To her, everyone is equal."[245]
^ "Superhero Makeovers: Wonder Woman, part two". The Screamsheet. Archived from the original on January 7, 2012. Retrieved February 10, 2011. Desperate to save her daughter, she claimed that Diana had failed in her role as an ambassador to Man's World and called for a do-over on the contest that had determined Diana fit to carry the Wonder Woman mantle in the first place.
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.[5]
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