Fantastic Four (1967)
The first animated Marvel team: 20 episodes, recycled Dracula cels, the Gee jingle. A museum exhibit that occasionally smiles. Grade it as an artifact.
Tag classic cartoons 1960s
Spider-Man (1967)
Where it all began: 52 episodes, the does whatever a spider can theme, the first season's Ditko blue Goblin stories. The artifact every Spider-Man since has answered to.