Batman and Robin once saved the Earth from an entire race invasion of artifical intelligence alien robots.
What has Spiderman done of this scale.
Secret Wars: Saved the earth in Marvel's version of Mortal Kombat
Spider-Island: Saved the earth from an invasion of spider man clones
Ends of the earth: Saved the entire planet from Doc Ock sending the planet into an accelerated global warming situation
Not to mention the countless number of times he's either self sacrificed or just been plain better than anyone in every situation. Maximum carnage being one of them. Cheated death to defeat Kraven, damn near killed kingpin, and has been at the center of many universe saving arcs either as an avenger or just a dude in charge