No one is saluting Hitler in Nazi style- Look Who's Back Scene

Hitler talks about how no one is saluting him in Nazi style.
Look who's back scene with english subtitles.

[shugahhigh]

Can someone explain the end? What makes the handkerchief bit funny? Why does Hitler look puzzled after hearing about a handkerchief?

[AndreasW-pr]

Ich schaue es mir an und es ist ein sehr guter Film, ich gebe ihm fünf Sterne

[mojewjewjew]

This isnt in the movie, is this a deleted scene?

[zxav-the-fem]

I’m trying to watch this, and I can’t find it on Netflix or Apple TV. Where do I watch this?