Normally I wouldn't count on events happening in that manner but considering how out of control shit is getting and that we're nearing the endgame
Well consider one thing, as out of control as shit is getting now, by the end of Wano you are effectively going to have 3 major powers.
Luffy and Allies. (the Good guys, presumably the Good Marines are gonna end up here at some point.) - at the end of Wano has 3/4 of the Road Glyphs..and I bet the 4th falls in his lap..when Buggy shows up (possibly in Shank's tow) with the map to Captain John's Treasure..which is the last Road Glyph.
Black Beard and Allies (Lawful Chaotic, Bad Pirates the Underground) - May have a cheat way to Raftel, Given that His Ship's is connected to Xebec..Xebec may have discovered The Secret to Raftel.
World Government. (Lawful Evil Marines, The Celestial Dragons) - They have an Eternal Prose to every Island.
The moment one person goes for Raftel..the other two absolutely have to as well. Neither of the other two can afford to sit back and see how things play out. If you thinks are going out of control now? Hold onto your Hat, Magellen is about to have the biggest shit he has ever had straight into a fan.
This hinges on Marco actually knowing what Whitebeard knew
Honestly Marco is a name I pulled out of my ass, Dragon could show the fuck up and spill the beans or Oden could poof into existence after Wano cause his wife threw him 20 years in the future + 3 months, I just think Marco has the..best "Luffy you stupid asshole, you need to listen to this..this is more important than your bullshit." argument with Ace.
I'm actually kind of hoping the address the name thing in-universe (like they did Roger's name) via narration/dialogue (as in, "it's commonly known as Raftel but is actually called Laugh Tale) mainly to shut up people who keep arguing about what to call it.
I don't think they need to, it is the exact same stunt Oda pulled before anyone who doesn't see that can eat a dick. Oda had Reighly and Haki planned from the Start..do you think he would fuck up the name of a core concept like that?
Also the WG probably wouldn't mind D. being a known factor to the world if they controlled it (eg more Marines like Garp or a shitload of them in the Cipher Pol). The Celestial Dragons might bitch in that scenario but that many D.s on your side would give you more cards in your hand.
Well, it is probably more that "A D got to Laugh Tale? Okay lets memory hole as much as we can, call him Gold Roger and call it Raftel so that nobody even thinks the D. and the Island are connected."