Not that I recall. Cyborg doesn't typically use that phrase in the comics I've read.
Yes, Cyborg is depicted as black in the comics.
Yes, Cyborg was often depicted as having a white appearance in the comics.
Yes, Cyborg was featured in Doom Patrol comics.
Yes, Thanos does say 'inevitable' in the comics at certain points.
Cyborg is definitely from DC Comics. He's been a part of various DC storylines and teams, and has become an important figure in that comic universe. His powers and backstory are all developed within the DC framework.
Yes, Deadpool does say 'maximum effort' in the comics on several occasions.
I don't recall any specific mention in the comics about who is faster. Maybe you need to dig deeper into the storylines.
No, they don't. Cyborg and Jinx have no romantic connection in the comics.
Yes, he does. 'I am inevitable' has become one of Thanos' notable lines in the comics, emphasizing his self-perceived invincibility and the inevitable course of his actions.
Morbius doesn't utter 'It's Morbin Time' in the comics. The line was likely created for the cinematic version to add a unique and memorable element.