Instead, I have scowered reddit, yuku, clubs that sucks to locate confirmed spoilers, vidcaps, preview spoilers and have narrowed down the possibility of first boot to 7 people:
Vidcaps from preview spoiled that they are on post-swap Nuku
Malcom, Michaela, Sandra, JT, Aubry
Preview at 1:51 spoiled that they are on post-swap Mana
Ozzy, Troyzan, Tai, Brad along with 2 unidentified females
If Battle Dig is the first immunity challenge
Andrea, Caleb (also posted on snapchat)
Weight loss pics that may not confirm placement but significant enough to confirm not first boot
IF A 3 TRIBE SWAP CAN BE CONFIRMED...
Then it also confirms the first 2 boots are female since there are 4 males and 2 unidentified females on post-swap Mana.
Cambodia and Millenials vs. Gen X had men and women drawing buffs seperately when seperating into 3 tribes.
If the green tribe does exist, then first boot can be narrowed down to: