Doing what the title of this thread says would be a dream come true, but I would love to see Toei try to improve themselves, rather than just relinquish their tokusatsu superhero legacy.
I grew very skeptical of Toei in the late 90s, when I saw better stuff coming from Tsuburaya and Daiei, and even Toho! But when the 2000's rolled along, it was worse; I noticed Toei was being more and more cynical. Just watch Devilman and Masked Rider the First. Especially the former movie, where the producer fired the whole initial creative staff (especially veteran suitmaker Shin'ichi Wakasa, who was slated to do Devilman and monster makeup/suits!), and opted to do something as disjointed and crass as humanly possible. The First was a little better, but that was pretty crass, too (I didn't like the new Shocker, which felt rather shoehorned; a rapper, some office lady, and random footage of Hideyo Amamoto as Dr. Shinigami? I'm just not feeling it...), and there was far more focus on supporting characters instead of the main characters (even more so than in Masked Rider ZO)! While only slightly better than the newer Rider Series, it was still a waste of good talent. It could've been a lot better. (I've seen fan-made edits of this and Masked Rider the Next that greatly improved both films!)
I simply think Toei needs an overhaul. Get rid of the current regime, and replace it with one that cares about the shows. Maybe they can revive old genres (like, you know, the Metal Hero Series), or they can try some new ideas (like Toho and Takara/Tomy did, with the Chouseishin Series and the Tomica Hero series, respectively; both surpassed anything Toei had to offer). We need a new Tooru Hirayama or Susumu Yoshikawa, not an exec who carelessly makes these shows to appeal strictly to Johnny-Come-Lately hipsters and alienate the nostalgic fanbase. (Compare the newer Ultra Series, where all past Ultramen are relevant to the stories, to the newer Masked Rider Series, where the appearance of the old Riders is almost totally "Wham, bam, thank you, ma'am," as though Toei didn't want them to appear, and they have about as much relevance to the plot as anything in Godzilla Final Wars!)
Toei also needs to have more moderation over Bandai, as opposed to letting them do all of the work. Push Bandai around a little! They can be more cooperative. Works for Tsuburaya!
It's a tall order. But I can dream, can't I?