Given the physiology of swans, Leda seems fairly innocent of adultery. Danae at least got a pile of gold out of the deal, but then again, possibly it disappeared when Zeus was sated. The whole Europa and the bull thing . . . just unpalatable. And really, Achilles is a self-involved, vain prat; Hector is the true hero, but he dies sooner rather than later. You're right, luckily Spike, at that point, is not the hero.