Totally agree that'd be nice but seems unlikely timing-wise, he is too far away for that no...? Would take too long for him to reach there imo, I don't think he'll just fly on his own but rather ride the ship with Neko and others..
How about they run into Jinbei and Robin who befriended Yamato (assuming he is that shadow that was lurking behind them) and so he starts fighting with BM? Imagine Who's Who later arrives there and witness the scene Yamato vs BM
How about they run into Jinbei and Robin who befriended Yamato (assuming he is that shadow that was lurking behind them) and so he starts fighting with BM? Imagine Who's Who later arrives there and witness the scene Yamato vs BM
your second scenario is super hype too, maybe we finally learn how jinbei escaped big mom in the first place