D.J. Arneson (writer), Ray Bailey (artist), Vic Gorelick (colors)
From Undersea Agent #2 - 11 pages - An ancient group dedicated to world domination, T.H.E.M. (The Hosts of Evil Motives), has attacked a ship carrying American politicians headed to Atlantis. The attackers impersonate the pols to infiltrate the secret base.
Here are the pages I have of it.