Fantastic Four' star Vanessa Kirby opened up about working with Robert Downey Jr. on the upcoming 'Avengers: Doomsday,' saying he does 'incredible work' in the film and 'is our leader' on set.

Spoilers ahead for The Fantastic Four: First Steps.

Vanessa Kirby's popularity is surging, thanks to her role as Sue Storm in the movie The Fantastic Four: First Steps. But with more popularity comes more imposters on social media, and that can be especially true on X,