Thanks, SAB-CA.
On the second video, Kensou appears to do an alternate victory pose when he defeated Athena.
It didn´t use new animation but the audio sample is new. I wonder if this was already on the arcade version.

Most likely, it's new. I think it used a few frames from his Dizzy/time out animation, but they repurposed it pretty well!
So now, we've heard of I believe either Ash of Saiki having a unique pose VS the other from the JP demoloke, Vice with a second pose (modified from Splash frames), Ryo using his Neomax pose for a timeout victory, and of course, loads of new voice samples with the old victory poses. And, in one Gamespot direct feed vid I believe, Mai made a unique callout to Andy when he knocked her down.
It's not all "new" stuff, but it's great to see Character-specific things making their way back into the game, and additional win poses.