How could you make triggered humanoid waves?

Hey!

I am creating this new indie game, and I need help.

So, I have 5 humanoids; I would like 1 of them to spawn in after you kill the other 4. How would this be possible? I would assume it could come from data from a specific humanoid after they are killed?

Anything would be useful! Even like, "5" secs after you spawn in the game, a humanoid is spawned or made visible.

Thanks!

well, since you basically explained it, then I guess U save time and effort amongst the other questioners. Accept this answer by clicking accept answer underneath this answer and good luck with your game, I can't wait to try it XD