I keep telling people to invest into this Moria's stock NOW while it is still dirt cheap. This guy clashed with Kaido, and was explicitly portrayed with redeeming qualities by Oda AND is used as a Luffy parallel. Oda does not set a villain up like that if he as no plans for him to do shit in the future. If Oda wanted Moria dead and had NO come back planned? he could have easily killed him of screen and given his devil fruit to one of Blackbeard's crew like he did with Absalom.
If Crocodile can have a glow up because his past with Whitebeard and we as a community more or less accept the idea prison buffed him/he got over depression IMAGINE what Moria could look like after he hears Kaido is dead and e spent god knows how long as Blackbeard's prisoner? He could be the second-strongest warlord after Mihawk right now for all we know!
My boy is about to come back looking like this! Oda has shown us a new generation pirate crash and burn with Kid, and I am telling you all right now, he will have the biggest failure of the old gen in Moria have a comeback!