Catwoman #49: 𝐌𝐀𝐗 𝐒𝐂𝐇𝐑𝐄𝐂𝐊/ 𝐍𝐎𝐒𝐅𝐄𝐑𝐀𝐓𝐔. behind Killer Croc…
From Showcase (1956-1978) #20
These criminals are not actually named Clark Gable and Fred MacMurray
… and disappointingly they never again look as much like Clark Gable and Fred MacMurray as they do in this one panel
Dark Crisis: Big Bang #1: 𝐂𝐄𝐒𝐀𝐑 𝐑𝐎𝐌𝐄𝐑𝐎, & 𝐀𝐃𝐀𝐌 𝐖𝐄𝐒𝐓.
𝐌𝐈𝐂𝐇𝐀𝐄𝐋 𝐊𝐄𝐀𝐓𝐎𝐍, & 𝐉𝐀𝐂𝐊 𝐍𝐈𝐂𝐇𝐎𝐋𝐒𝐎𝐍.
Supes ‘78 Batman 89’.