Definitely Marvel. Spider-Man has been a staple in the Marvel Comics universe for a long time. His adventures and storylines are all within the Marvel framework.
Definitely a Marvel character. Spider-Man has been a staple in Marvel comics, movies, and various media for a long time. He's not part of the DC Comics roster.
Definitely Marvel Comics. Spider-Man has been a key character in the Marvel universe for a long time, with his own rich storylines and crossovers with other Marvel heroes.
Definitely Marvel Comics. Spider-Man has been a staple in the Marvel universe for a long time. His storylines and adventures are all part of the Marvel comic book lore.
Definitely not. Spider-Man is a prominent figure in the Marvel universe and has no place in DC Comics. DC and Marvel are separate comic book entities with their own distinct characters and storylines.