Lupin the 3rd: The Mystery of Mamo (1978) on Netflix

Reports have been made that Lupin was hanged in Transylvania, but Zenigata went to see for himself that Lupin was really alive. And he was right, as Lupin was more alive than before. But it's a complete mystery to him on why there was someone else who had the same DNA as him. So he, Jigen, and Goemon set off on a quest in retrieving the "Philosopher's Stone" from Egypt as it's said to be the key to immortality. While Fujiko is working with a mysterious figure name Mamo who wants that stone. As Lupin progresses his journey he'll be amazed and shocked on who this Mamo really is, as well as the guy who was executed instead of him.