The Marvel Super Heroes

The Mighty Thor #10 - The Tomorrow Man; Return of Zarrko; Slave of the Tomorrow Man (1x46)

Air date: Nov 03, 1966

Zarrko, the Tomorrow Man, travels back in time to 1962 to steal a cobalt bomb that he plans on using to make himself ruler of the 23rd century. Thor follows him forward to 2262 in order to defeat him.