I literally just finished Agito this week and I adored the characters, so I'm super happy to see this return!! ... even if it's extremely weird seeing these characters 18 years older; especially Mana.

Very happy for this though. That G3 army makes a lot of sense now with Omuro now, seeing what happened with him in the ending. If there's not a scene with all the G3s at a barbecue I am going to be very disappointed

Wouldn't he be the 4th since Reiwa begins May 1st, 2019? Chronologically at least. Plus Rider shows begin somewhere between end of Summer and Fall so there is that. But now that you mention Ginga, if Ginga is set as a future rider that appears before the "official 1st Reiwa Rider" Ginga could be Reiwa Ichigo. :lolol

*Checks Toei site* Didn't Omuro have a stache at the end of the show? Why shave it off? And is it just me or did Shoichi steal Ren/Ultraman Nexus Juness Blue's wardrobe? :lolol

Who to bring back?
Hibiki: ?
Kabuto: ?
Den-O: ?
Kiva: Rumor about Otoya/Dark Kiva.
Drive: Rumor about Go. But what about Chase? Be nice if Proto-Zero took on a new face.

I feel that Chase will be back in the Brain spinoff. Mach will try again resurrecting Chase's core like last time, but instead of Heart, Brain will be the one to back. Then Brain will help Mach to get Chase back somehow.

Rina akiyama is back, the toku goddess 10 years ago. I guess that's why she wasnt in deno part with owner. She's playing her other role. Don't recognize agito as much as the other cast. The other alumni toku vet manage to keep same hair style after a decade plus. There hope for tendou, hibiki, wataru, and even popular drive to come back. I guess they planned it very early on to see which actor is free when. Decade and zio really gives off bad vibe in plot, but zio gets credit and kudos for cast and bts management staff to recruit nearly every rider to come back. Ora is relevant again. Goodbye white woz underwhelming twist.
https://www.instagram.com/p/Bv7ywiEn67P/
When was police relevant again, so we'll taking pr route that blade and agito still exist and the government are still working. Decade, diend, hunjoOhma zio, what are they thinking? Takahiro Omuro is the discount g3. The real 2nd rider is too busy with mainstream career. I'm curious if w and fourze will be back literally again, I surprse ride watch and tributes are still relevant after 2ndq.

If Otoya's actor came back, I want them to do a thing where the unique trait for Another Kiva is that 2008 Kiva's power is of course taken... but 2035 Kiva is still around and kicking, so he comes in to try and save the day ala Quiz!

And then I would love them to somehow slot in 80s Ixa and Grease. Hell, toss in Decade!Dark Kiva too; go full on Gokaiger vs. Gavan here!

I'd love to see the Neo Fangires if possible.

Yeah, they could have Otoya and Masao as Kiva's representative, plus this is the arc where time travel would be really fun!

Hibiki: Asumu, Ibuki, Zanki, Todoroki, pretty much everyone except Hibiki himself. Hell maybe even Kiriya lol.

Kabuto: Gatack is the most likely, and maybe the Hell Bros. Hiro Mizushima wanted to return but it all depends on Toei.

Den-O: Imagins and Yuuto. Wouldn't be surprised if (no-longer) young Ryutaro appears as well, seeing as his actor makes a cameo in Ghost arc. I want New Den-O to appear too.

Kiva: Otoya, Otoya, Otoya, Otoya, Otoya and while we're at it, Masao. Maybe Nago/Ixa too.

Drive: Sadly with Ryoma Takeuchi becoming the next Takeru Satoh/Sota Fukushi, he's unlikely to appear. So we can only have Go and Chase. And maybe Kiriko.

Young Ryotaro was main-ish cast in Ghost, not a cameo.