[Psycho Pirate]

Hasbro had prototypes on display for Vision, Morbius, and yellow Daredeveil at SDCC - all for 2016. They showed more on the slides, but definitely had production prototypes for those 3.

Slide 1 (*all had prototypes on display):
Triton
Spidey Noir
Mark I Iron Man
Ulik
Capt. Marvel (Danvers no mask)
Yondu

Slide 2 (* indicates prototype shown)
Gamora
Living Laser
Rage
Armored Spider-Man
*Vision
*Yellow Daredevil

Slides for comic 2-packs (* indicates prototype shown):
*Falcon Captain America
*Vance Astro
*Female Thor
*Odinson the Unworthy
*Machine Man
*Superior Iron Man
-----------
Scarlet Spider-Man
Classic Spider-Man
Supreme Power Hyperion
Dark Hyperion
classic Captain Mar-Vell/Kree Soldier (green and white suit)
Captain Marvel (Danvers with mask and fauxhawk)

Shown on separate slide, no prototype:
Lockjaw

Not in slide presentation but did have a prototype shown:
Morbius