Originally Posted by Raiden
Well, the ocean has depths that could be miles from the surface, and I doubt a standard armor like the Mark 7 could've reached that deep. A Deep Sea armor would be perfect for scenarios like this. It's like Mark 7 gives Stark superhuman strength, but if Stark needs a suit that can give him the maximum amount of strength and endurance he'd use "Igor" over Mark 7.
have the movies established how strong tony is when suited up? comics say he is able to lift 90 tons.