"X-Men: Apocalypse" star Olivia Munn attended the San Diego Comic-Con 2015 last weekend with her co-stars Michael Fassbender, Nicholas Hoult, Oscar Isaac, James McAvoy and Evan Peters. The X-Men actors appeared in TBS' Conan.

According to Entertainment Weekly, Olivia Munn expressed her excitement in Comic-Con 2015 about finally being able to play the role of a superhero.

"It's one of the coolest things," Munn said. "It really doesn't feel really. It's a very cliche thing to say, but it's just a really surreal thing when you're on set. ... I try not to mess up anything or touch anything, don't break anything because they're going to ask you to leave. It's this feeling of very surreal and temporary in a way, if that makes sense. Like a dream."

According to E! Online, Olivia Munn revealed one of her greatest troubles in starring in the upcoming X-Men movie - fitting into her costume as psychic ninja Betsy Braddock, a.k.a. Psylocke. The actress earned a couple of laughter from the Comic-Con 2015 audience as she dished out on her embarrassing moments on set.

"They lube me down and I step into this latex [costume]," Olivia Munn revealed in Comic-Con 2015. "We did a whole latex fitting ... They lubricate the costume and they lubricate me."

According to "The Newsroom" actress, getting into the costume was only part of the challenge - wearing it was reportedly just as difficult.

"The first day I put on the latex suit, I was out there and I was really excited to be with these guys. I met Michael and James everybody, and I was just so excited. I was like, 'OK, I wanna do like a really good job,' and I just popped the crotch. The latex just broke."

"X-Men: Apocalypse" hits theaters next May. The film is directed by Bryan Singer, who also directed "X-Men: Days of Future Past."