Avengers: Simu Liu was starstruck by Patrick Stewart, Ian McKellen

Simu Liu was 'the most starstruck' he's ever been while working with Patrick Stewart and Ian McKellen on 'Avengers: Doomsday'.

Liu described 'Avengers: Doomsday' as a 'massive cinematic event' with an 'unfathomable' scale.

The film features Patrick Stewart and Ian McKellen in undisclosed roles.