Bleacher Creatures Marvel's Miles Morales Spider-Man 10" Plush Figure
I think Spider Plushie was based off of this plush from when the Ultimate Spider-Man cartoon was airing, this one specifically was in gift bags at toy fares and in claw machines :
MARVELEDITS — SPIDER-PLUSHIE in SPIDER-MAN: ACROSS THE...
Spiderman Plush Toy 3D Model 3D model 3D printable | CGTrader
Toying Around Reviews - JustPlay Spider-Man Talking Plush — Fireside