Not at all. Doctor Doom and Iron Man are separate entities. Doctor Doom is often portrayed as a more malevolent figure, whereas Iron Man is a hero trying to do good. Their suits and abilities are also not the same.
Definitely not. Iron Man and Doctor Doom have always been separate entities in the comic universe. Each has their unique powers, personality, and role in the stories.
Definitely not. Iron Man and Doctor Doom are separate characters with distinct storylines and identities in the comic universe. There's no crossover or transformation of one into the other.