United Kingdom, July 28 -- Rebecca Romijn was worried about how long the makeup process was going to take on Avengers: Doomsday.

The 53-year-old star is reprising her role as Mystique in the upcoming Marvel Cinematic Universe (MCU) blockbuster and she explained how cosmetics were the first thing on her mind when she agreed to return to the part - as it previously took her nine hours to transform into the character with the aid of full-body prosthetics and painting.

Speaking to Entertainment Tonight at San Diego Comic-Con, Rebecca said: "It's all been overwhelming and very surreal.

"It was a surprising call to get. Of course, my first question was about the makeup process. 'What are we going to do about that?' It was very long in the or...