I had no clue, but I really don't see how this could happen. The damn boat sank. Man I hated that movie... the whole time I was watching it I was just sitting there thinking... "The boat is going to sink!!!!!"
The ship already sank. Without the only surviving main character, what more is there to make another movie about that will make it remotely like the original movie? Are they just trying to capitalize on the success of the other movie?