X-Men - Silvestri (the art in his run still blows me away every time i read them)
Spiderman - for me as a child of the 80s it has to be mcfarlane
thunderbolts - Bagley - Agree
Avengers - epting - Agree
Thor - Simonson
Hulk - keown
Fantastic four - byrne
Silver Surfer - Lim