Origin
Little is known for certain about the Wendigo Spirit but it has an appetite for human flesh and is said in legend to be a spirit from Canada which would devour people it found in the snow.
Creation
The Wendigo Spirit was created by Charles Vess for The Amazing Spider-Man #277.
Major Story Arcs
Cry of the Wendigo
During a Blizzard, the Wendigo travels to New York City and encounters Spider-Man with a young girl whom he had just saved from kidnappers. The Wendigo lets out a deafening howl before it attacks one of the gunmen after the young girl and kills him. The Wendigo the leaves New York as the blizzard ends.