For people doubting the:
Titanic captains 2-5 vs East Blue Straw Hats, I was rereading and found some evidence that makes it more believable tbh.
In chapter 903, we see Blackbeard in shadow, along with him there are 4 people behind him.
From left to right we have:
1. Shaded figure holding a sword - Shiryu
2. Shaded tall figure holding a rifle - Van Augur
3. Shaded horned figure - Pizarro
4. Shaded figure with a boa and top hat - Lafitte
I think Odas showcasing that these are Blackbeard’s most notable men. Among them Shiryu and Lafitte, upon their reintroduction into the new world were introduced together. As was the case for King and Queen who are Zoro and Sanjis current fights so it’s safe to guess these two may be Zoro and Sanjis BB fights.
The final two: Van Augur and Pizarro, these are Usopp and Namis fights.
Van Augur vs Usopp is clear, but for Nami vs Pizarro you have to look at the characters themes and will find the connection.
They’re both cat themed members of the crew. (Cat burglar and Pizarro meows)
They’re both kicked out of their home due to their greed (Nami for joining Arlong Pizarro for robbing his country)
Avalo adorns himself in fabulous jewels, and I think a part of the fight will be Nami robbing him of those jewels as she takes him down.