Watch full Spider-Man Unlimited Episode 12 online full HD online. Cartoon video Spider-Man Unlimited Episode 12 online for free in HD. Sins of the Fathers. Karen O'Malley, a member of the rebellion against the High Evolutionary, is kidnapped by machine men of the Evolutionary, so Spider-Man and X-51 teams up to save her. Meanwhile, the Evolutionary realizes that Karen is his grand-daughter.