Pudding will definitely be back because her story with Sanji remains unfinished, and this is because she removed and saved portions of his memories with her Devil Fruit.

Did pudding fall for Sanji?

3 She Fell In Love With Sanji

Even though she wanted him to die to get things over with, Sanji accepted her true nature despite knowing that she would eventually shoot him dead. The shock of this made Pudding fall in love with the cook of the Straw Hat Pirates.

Does Sanji actually marry pudding?

A man proposes to Baby 5. ... Sanji also proposed marriage to Charlotte Pudding, although they were already arranged to be married and he only did it in order to put himself at peace with this path.