For this sequence, I teamed up with three other sound designers to create a fully fleshed-out action scene. I was personally responsible for all fight impacts, Batman's hard FX, and crashing shipping containers, while the others handled BGs, music, and the rest of the FX (eg. machinery, gunshots, and whooshes).
I've never worked on such a large team for this sort of thing, and the most stressful part was importing everyone's sessions and mixing them to fit together. I routed unified reverbs through all of the stems, and the whole team was present for final mixing.
All work was done in Pro Tools using SCAD's sound libraries.