https://www.cnet.com/news/how-injustice-2-brought-the-best-facial-animations-to-the-fighting-game-genre/

Those animations are what you'll notice first when playing the game. Brendan George, Injustice 2's character art lead, and Andy Senesac, senior technical artist for cinematics, show us how they achieved them.

A new custom photogrammetry facial scanner is the big gun behind the operation, one that uses 44 DSLR cameras with 50mm fixed lenses.