Wonder Woman and Hermes briefly returned to Themyscira so that Diana could pay her respects to her petrified mother. When they got back to her apartment, they found Hera crying and mourning the days when she used to be a goddess. As Diana comforted her, she realized she would need help in finding Zola and Zeke. Wonder Woman went to the Taiga, Siberia, where she asked Artemis for her help. Artemis agreed, on the condition that she and Diana have a rematch. Knowing they are in Artemis' realm, Diana threw the fight in Artemis' favor.[40]

Later, in London, Diana talked with Hessia about what being Queen really meant. Hessia told her the changes she was trying to impose were hard, and it might take a long time for the Amazons to accept them. Wonder Woman was called by the Justice League to look for the survivors of another missing village. As part of the operation, Superman explored the interior of a volcano until he was attacked by insects and lost contact with the League.[52] Wonder Woman and Batman were next to enter the volcano and found Superman safe and sound. Exploring the volcano further, the heroes found the missing villagers dead and their remains encased in cocoons by one of the volcano’s insectoid denizens. Wonder Woman almost killed one of these creatures, until the League intervened and took the creature to the Watchtower for medical attention. Upon returning to Paradise Island, Diana spoke to the spirit of Hippolyta. Comforting her daughter, Hippolyta motivated Diana into accepting her duty as God of War. Diana also learnt that relations between Amazons and the Sons of Themyscira had gone sour and the Amazons had created Donna Troy from magical clay, an Amazon who sought to replace Diana as Queen.[53]
The success of the superhero television series Supergirl informed the marketing and promotion strategy used for Wonder Woman.[155] According to Time Warner chief marketing officer Kristen O'Hara, they wanted to approach the Wonder Woman marketing campaign in a light manner, similar to how they did with Supergirl. O'Hara elaborated that the modest campaign route they took for Supergirl aided in establishing a large central fanbase among women well in advance of the series, which reportedly generated 5 million female superhero fans in one week.[155] They were then able to model over time, and grow that audience leading up to the 15-months-later release of Wonder Woman.[155] Though neither the film nor the series are aimed exclusively at women, the latter's campaign gave them their first opportunity to begin collecting data about female superhero fans.[155] In May 2017, a promo for Wonder Woman was released during the season finale of Supergirl, featuring a remix of the song "These Boots Are Made for Walkin'" and Supergirl (Melissa Benoist) wearing Wonder Woman's boots.[156] The promo included an appearance by Lynda Carter, star of the 1970s Wonder Woman, who plays the American president on Supergirl.[156]

Impressed by this unknown woman's self-sacrifice, the Amazons entombed her with honors and clothed her in armor displaying the American flag pattern on her uniform, which they assumed were her heraldic colors.[37] Trevor's legacy was also the primary reason why Ares arranged for Steve Trevor to bomb the island, as he could not resist the irony of the heroine's son unwittingly killing her admirers.[37]
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