Just posting this here for anyone else to look at. I havent dived into it myself yet, but this happened on Kombat King's stream a few weeks back.

Spawning OOB: https://www.twitch.tv/the_kombat_king/clip/CrowdedPunchyWalrusBabyRage?filter=clips&range=30d&sort=time

Talking to Sindel before the fight: https://www.twitch.tv/the_kombat_king/clip/JazzyAntsySalmonPeteZaroll?filter=clips&range=30d&sort=time

If you notice how he talked to sindel it repositioned his character. I believe this caused him to be placed OOB, so that when the fight ended it would spawn him there. He couldnt find any way to get back in bounds though but he was only streaming casually at the time and couldnt put much time into it.

Theoretically if you can reproduce this, then somehow get back in bounds at will you could place yourself at the trigger point to exit the area and load the next one. I plan to investigate this myself at some point, until then .. anyone is welcome to try and make something of it.

GL!