Dave Castro has announced team events 3 and 4 on his Instagram:

[instagram url="https://www.instagram.com/p/BHvjgb6jgx5" hide_caption="0"]

Here's what it says:

Team Event 3 (M) and 4 (F):

21 deadlifts
21 burpees
100' handstand walk
15 deadlifts
15 burpees
100' handstand walk
9 deadlifts
9 burpees
100' handstand walk

Looks like a brutal lot of fun!