Injustice 2 (apart from the art style!) looks graphically really impressive. The modelling of the characters, their animations, the lighting, effects and insane stage transformations look really impressive. Just the character designers of this game...so ugly and bland costumes and so ugly people. :/
Here's some older gameplay:
They seem to have fixed the low resolution, flickering shadows. Can't make them out in the Harley trailer anymore...and I think it is not just because it is the PC version, since there is no PC version planned so far, right?