Watching this was nostalgic for me because I used to collect comics from the 70s and 80s as a kid and remember this particular duo was one of them. Wish I'd saved them! The guy spoofing that comic issue was hilarious, have to see more of his reviews.
Someone on another forum told me that this song indeed comes From the movie Magnificent bodyguards and gave me a link to youtube where someone extracted and posted the scene with the song.
I'll post it when I'll be back at home.