Luffy wasn’t forced to go into gear 4th against doflamingo because of doflamingos strength. There was a time limit because of the birdcage. Sanji was not a 2nd commander at that time. Sanji was also fighting him in the air and also not knowing doflamingos devil fruit. So Sanji was at a huge disadvantage.
Crocodile has literally had 2 years to upgrade and get stronger. Just cuz luffy beat him 2 years ago pre haki doesn't mean he just sat on his ass and did nothing. this isn't naruto where only the protagonist gets stronger. Doffy needs time to get out and get his forces back. He's lost his crew, he's lost his connection to Kaido his weapons
8 Jinbe Is The Strongest Fishman In One Piece. Jinbe was offered a spot among the Shichibukai after the death of Fisher Tiger. Having served in Neptune's army and then under Tiger, Jinbe was
1) Baby 5. Baby 5 as seen in the series' anime (Image via Toei Animation) Despite wielding an impressive Devil Fruit, Baby 5 would quickly and easily be defeated by One Piece’s current NicoFor the movie, see One Piece Film: Z. Z ("Zed"), also known by his birth name and former epithet "Black Arm" Zephyr, was the Commander-in-Chief of the Neo Marines as well as a former Marine Admiral and instructor before his resignation. He served as the main antagonist of One Piece Film: Z, where he and his forces clashed with the Straw Hat Pirates as they were caught in midst of his Grand OQ4e61.