TMNT × SbtB. We had Cobra Kai, Street Fighter, Stranger Things...
This line-up would be on the 6-inch scale BUT will feature new sculpts for the turtles:
Essentially the Remastered Turtles with New heads:
Don, Mike, Raph using the Wacky Action head expressions. Leo using the Storage shell head expression... all remastered with the bumps and stuff. That way, the turtles are shorter than the humans... but Playmates can feel free and make new thighs and biceps to add slightly more articulation. In fact redo the whole legs.
For the SbtB folks they would be new sculpts:
These would be the looks I'd go for the guys:
Slater's was specifically chosen since it would be a Repaint of the Casey sculpt with new forearms and feet.
For the ladies:
Wave 3 would be the final two turtles and Bayside students.
Accessories are easy:
Turtles:
Signature weapons
Casey:
Removable mask, bat
April:
Mic, Camera
Zack:
Cellphone, plastic lifesize Kelly Kapowski standee.
Kelly:
Duffel bag with implied baby brother inside, bat.
Jessie:
books. I wanted caffeine pill bottle, but they would say no.
Lisa:
Shopping bags,
Screech:
Spaghetti sauce flask, wired microphone
Slater:
Shoebox with dead lizard
The premise is simple: Burne sent April as an undercover reporter to a school in California where an Alien sighting allegedly happen. (Reference to the Season w episode: Close Encounters of the Nerd Kind). Casey tags along because he can use this as a chance to relive the glory days, since in California 15 year Olds look like 32 year old has-beens. (Reference how teens are played by really old adults)
The lineup could be expanded with Mr. Belding, Tori, other teachers, and get some TMNT folks that aren't necessarily Turtles, Splinter, Shredder. For example, a Burne and Mr. Tuttle could share a lot of body parts... but the hidden evil reason is a Max vs Pizzaface pack.