A figure showing Godzilla's fourth form from the film "Shin Godzilla" for which Toho applied for a 3D trademark, is pictured in this image from the Japan Platform for Patent Information (J-PlatPat).
By the sounds of things, Feige is drawing inspiration from Godzilla Minus One, rather than trying to bring Yamazaki into the Marvel fold. Considering how excellent a movie Godzill ...