My idea for the aquatic update. First supply drops will generate in water and these only spawn aquatic creatures. They have the same loot as normal supply drops because they are, but just in water.
Mosasaurus (JW the game model)
Tylosaurus (The JP black&white model)
Megalodon (JW the game model)
Mosasaurus gen2 (JW the game model)
Dunkelosaurus (mosasaurus+dunkelosteus) (legendary)