The New 52 universe does not have a "Diana Prince" identity as stated in an interview by series writer Brian Azzarello. However, when she and Superman began dating, for her civilian identity she used the Diana Prince alias whenever she was around Clark Kent; such as when she introduced herself to Lois Lane at Lois's housewarming party under that name.
Coming to America for the first time, Wonder Woman comes upon a wailing army nurse. Inquiring about her state, she finds that the nurse wanted to leave for South America with her fiancé but was unable due to shortage of money. As both of them looked identical and Wonder Woman needed a job and a valid identity to look after Steve (who was admitted in the same army hospital), she gives her the money she had earned earlier to help her go to her fiancé in exchange for her credentials. The nurse reveals her name as Diana Prince, and thus, Wonder Woman's secret identity was created, and she began working as a nurse in the army.
After the release of the 2017 film Wonder Woman, many bloggers noted what they felt made Wonder Woman a feminist icon in the film. Zoe Williams for The Guardian said, "Yes, she is sort of naked a lot of the time, but this isn't objectification so much as a cultural reset: having thighs, actual thighs you can kick things with, not thighs that look like arms, is a feminist act. The whole Diana myth, women safeguarding the world from male violence not with nurture but with better violence, is a feminist act. Casting Robin Wright as Wonder Woman's aunt, re-imagining the battle-axe as a battler with an axe, is a feminist act. A female German chemist trying to destroy humans (in the shape of Dr Poison, a proto-Mengele before Nazism existed) might be the most feminist act of all." Alyssa Rosenberg for The Washington Post said, "... None of these experiences crushed me, of course, but I do wonder what it might have been like if they hadn't happened.The power of Wonder Woman, and one of the things that gives Jenkins's adaptation of the character such a lift, is in the answer to that question. Diana Prince (Gal Gadot) doesn't have any idea what women and men are — or aren't — supposed to do. Even when she does encounter other people's ideas about gender roles, she doesn't automatically accept them, and she never lets anyone stop her. And the movie goes a step further and argues that it's not merely little girls all over the world who stand to gain if they can grow up free of the distorting influence of misogyny: a world like that would be liberating and wonderful for men in lots of ways, too." Emma Gray for HuffPost said, "When it comes to pop culture, we speak often about representation; the simple yet often unfulfilled idea that it matters to see someone like you fill a variety of imagined roles on screen. After awhile, these conversations almost begin to feel obvious. We know that it's good to see women and people of color and disabled people and trans people and queer people in the same numbers and variety of roles that white, cisgender, straight men have long been afforded. But what these discussions often lose is the emotional impact of finally seeing something you may have never even realized you were missing. For many women viewers, "Wonder Woman" filled a hole they didn't know they had." 
In May 2017, early tracking had Wonder Woman opening with $65–75 million, and possibly as high as $105 million. The film opened Friday, June 2, 2017, across 4,165 theaters and made $38.7 million on its opening day, including $3.7 million in IMAX. It was the biggest single-day gross for a woman-directed film, ahead of the $35.9 million opening Friday of Catherine Hardwicke's Twilight in 2008 and the biggest opening day for a woman-led comic book superhero film, ahead of Ghost in the Shell ($7 million). This included $11 million it made from Thursday previews, also the best start for a film directed by a woman, surpassing Fifty Shades of Grey's $8.6 million which was directed by Sam Taylor-Johnson, and the third-biggest of the year, behind Beauty and the Beast and Guardians of the Galaxy Vol. 2. Of that, $1.5 million came from IMAX screenings.