Guy is beaten and killed in shower by girl with superpowers


I’m not sure if this was a movie or serie, but… only thing I remember is a scene, where a guy goes into the shower with a sexy girl, only to find out that she is trying to kill him.
She seems to have ‘super powers’, and kicks him while laughing… and keeps kicking him or beating him to death (at least , I thought)… I thought she then just keeps showering herself…

I think it’s a movie from the eighties somewhere… but not sure.

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