Batman Returns, Michael Keaton; Leslie Grace

Leslie Grace is still basking in the glow of being in the presence of superhero royalty.TheBatgirlstar, 27, toldVarietyin a recently published Q&A that seeingMichael Keaton, 70 — whoreprises his role as Bruce Wayne/Batmanfor the first time in 30 years inBatgirl, as well as inThe Flash— walk on set for the first time “was wild for everyone.““Our directors were like two little kids. They’re legit Batman nerds openly,” she said ofAdil El Arbi and Bilall Fallah. “He’s Batman, man! I couldn’t even believe that I was sharing space with Batman.““I want to say more, but I can’t,” Grace continued, raving of working with Keaton, “It was insane, surreal, incredible. It was the stuff of dreams really.“Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human-interest stories.Keaton first appeared as the Caped Crusader in 1989’sBatmanbefore reprising his role in 1992’sBatman Returns,both from directorTim Burton.While he walked away from the character decades ago, Keaton is reprising his role as Batman inThe Flash, which is set to premiere in theaters next summer, as well asBatgirlthis year.Batgirlalso starsJ.K. Simmonsas Commissioner Jim Gordon, the father of Grace’s Barbara Gordon/Batgirl.Additionally,Brendan Fraser, Jacob Scipio andIvory Aquinoare set to appear in the DC film, which is planned for a 2022 release on HBO Max.RELATED VIDEO: “Like Riding a Bike”: Michael Keaton on Slipping Back into Batman Costume forThe FlashMovieKeaton previously toldThe Hollywood Reporterthat he was especially excited to play Batman againbecause of what the role means to millions of fans around the world.“What’s really interesting is how much more I got [Batman] when I went back and did him,” he said in a cover story for the publication last August. “I get this on a whole other level now. I totally respect it. I respect what people are trying to make. I never looked at it like, ‘Oh, this is just a silly thing.’ It was not a silly thing when I did Batman.““Butit has become a giant thing, culturally. It’s iconic,” Keaton added. “So I have even more respect for it because, what do I know? This is a big deal in the world to people. You’ve got to honor that and be respectful of that. Even I go, ‘Jesus, this is huge.’ “He also confirmed hisBatman suit didnothave to be taken outduring an appearance onThe Late Show with Stephen Colbertthis past October, quipping, “Svelte as ever. Same dimensions. Same fitting.”

Leslie Grace is still basking in the glow of being in the presence of superhero royalty.

TheBatgirlstar, 27, toldVarietyin a recently published Q&A that seeingMichael Keaton, 70 — whoreprises his role as Bruce Wayne/Batmanfor the first time in 30 years inBatgirl, as well as inThe Flash— walk on set for the first time “was wild for everyone.”

“Our directors were like two little kids. They’re legit Batman nerds openly,” she said ofAdil El Arbi and Bilall Fallah. “He’s Batman, man! I couldn’t even believe that I was sharing space with Batman.”

“I want to say more, but I can’t,” Grace continued, raving of working with Keaton, “It was insane, surreal, incredible. It was the stuff of dreams really.”

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human-interest stories.

Keaton first appeared as the Caped Crusader in 1989’sBatmanbefore reprising his role in 1992’sBatman Returns,both from directorTim Burton.

While he walked away from the character decades ago, Keaton is reprising his role as Batman inThe Flash, which is set to premiere in theaters next summer, as well asBatgirlthis year.

Batgirlalso starsJ.K. Simmonsas Commissioner Jim Gordon, the father of Grace’s Barbara Gordon/Batgirl.

Additionally,Brendan Fraser, Jacob Scipio andIvory Aquinoare set to appear in the DC film, which is planned for a 2022 release on HBO Max.

RELATED VIDEO: “Like Riding a Bike”: Michael Keaton on Slipping Back into Batman Costume forThe FlashMovie

Keaton previously toldThe Hollywood Reporterthat he was especially excited to play Batman againbecause of what the role means to millions of fans around the world.

“What’s really interesting is how much more I got [Batman] when I went back and did him,” he said in a cover story for the publication last August. “I get this on a whole other level now. I totally respect it. I respect what people are trying to make. I never looked at it like, ‘Oh, this is just a silly thing.’ It was not a silly thing when I did Batman.”

“Butit has become a giant thing, culturally. It’s iconic,” Keaton added. “So I have even more respect for it because, what do I know? This is a big deal in the world to people. You’ve got to honor that and be respectful of that. Even I go, ‘Jesus, this is huge.’ "

He also confirmed hisBatman suit didnothave to be taken outduring an appearance onThe Late Show with Stephen Colbertthis past October, quipping, “Svelte as ever. Same dimensions. Same fitting.”

source: people.com