Leviathan = The Thing + The Abyss

That pretty much sums up this movie. Peter Weller leads a team of deep sea miners to collect metals and minerals and they discover a downed Russian ship. After excavating it, they bring aboard an infected bottle of vodka that kills and mutates the crew in a Stan Winston special effects bonanza.

Where it becomes The Thing is in how the infection merges people and transforms them into weird looking monsters, and it's also in an isolated setting where they must avoid infection.

It's funny to note the similarities between this and The Abyss. They both feature underwater teams, they both have good casts, they both feature plotlines where rescue is postponed because of a storm, and they both came out in 1989. George P. Cosmatos directed this one, James Cameron directed The Abyss. James Cameron also wrote the screenplay for George's Rambo II, and they both used Stan Winston for their movies.

So if you like one, you'll probably like the other. The Abyss is ultimately better, but I can't hate on a movie with Peter Weller as the main protagonist. Plus, the women in this one were HOT.