Toei's getting a lot of milage out of that legend.
It's also the basis for Dragonball and other manga/animes.
Ryotaru meeting the Kabuto crew... We'd get a return of Iga's favorite phrase...
"Ka-GA-MI" Or "Ka- wait, you're not my bestest, truest friend, You're a WORM!" Tsurugi henshins and the fights on.