Originally Posted by Montana Smith
This is a tricky one to portray. Leave the character too long in the frozen water and it becomes like nuking the fridge, as they'd soon go into a coma from the cold. Once out they'd need to be warmed up quickly to prevent hypothermia. The time under water is therefore tense and horrifying.
Well, it doesn't need to be Indy. Could be a companion, could be a bad guy, could be a long-trapped and newly discovered corpse...an underwater Heimdall.