Washington DC, Aug. 3 -- Actor Simu Liu has revealed that working alongside screen legends Patrick Stewart and Ian McKellen on the sets of 'Avengers: Doomsday' left him "the most starstruck" he has ever been, according to People.

Speaking to People at San Diego Comic-Con, Liu opened up about sharing screen space with the actors, who reprise their iconic X-Men roles as Professor X and Magneto in the upcoming Marvel film.

"For me, it's Sir Patrick Stewart and Sir Ian McKellen ... not just for their roles in 'X-Men', which are so iconic, but I also grew up just a massive 'Star Trek: The Next Generation' super-nerd, and 'Lord of the Rings' as well," Liu said.

Stewart portrayed Jean-Luc Picard in 'Star Trek: The Next Generation', while McKe...