Marvel's Spider-Man gets two new Fantastic Four themed suits | VG247
Spider-Man and the Fox Family: 10 Great Spider-Man Moments with the Fantastic Four/X-Men
One of my favorite panels the relationship between these four has gone past a “working superhero” partnership it's an extended family. These 5 people genuinely love each other (from Amazing Spider-Man #591) :
Spider-Man Introduces New Fantastic Four Version of Peter Parker
Amazing Spider-Man #590 | Marvel comics canvas, Spiderman, Fantastic four
Greatest Spider-Man/Fantastic Four Stories: #4 - Amazing Spider-Talk