JUSTICE LEAGUE: CRISIS: MARTIAN SEA SERPENT!

WB Animation, Character Design, JUSTICE LEAGUE: CRISIS ON TWO EARTHS, J'onn J'onzz as Sea Serpent.

In a brief scene on a city waterfront, The Justice League make an offensive strike against the Crime Syndicate. Upon confronting super-powered foes (including the alternate Green Arrow, called The Archer), the Martian Manhunter transforms into a giant sea serpent.