Place it right after the reveal in a short edit, following Sudden Suspense to build tension and letting Nelson's Ha-Ha! answer it for a bigger reaction. For a gentler payoff, follow it with Oh My God Wow instead, keeping the laugh as the centre of the sequence.
このサウンドについて
This clip is a short burst of human laughter, a bright ahaha lasting just under four seconds, with no words or music around it. It feels light and contagious, the kind of laugh that makes a silly moment feel funnier and takes the edge off an awkward one.