Namco-Bandai is taking the tag mechanics of Tekken Tag Tournament 2 quite seriously. A new trailer for the same details the insane fighting mechanics involved, as you tag in one character after another to dish out the multi-combo pain.
The developer names this “the art of doing combos”. Quite straight-forward, really.
However, an interesting new mechanic seems to allow you render one of your characters transparents but still on-screen as you dish out punishment. You can then “enable” the first character and continue combo. How it exactly works will be revealed, but it’s definitely intriguing.