>>81496083But it doesn't make thematic sense when he's a grown fully matured man. The Amazing Spider-MAN part is downlplayed by being very sinewy and lithe, regardless of how amazing he is.
Of course he isn't as buff as other heroes, but he should still be reasonably sculpted, David or Adonis like. There might be arguments that too much muscle/size would interfere with him, but Kaine is (was?) Peter on steroids and was still faster, stronger, more agile, etc.