Joseph Campbell identified 16 stages to the Hero's Journey, and i will use them to show the stages in Wreck-it-Ralph.
The hero is a place in which he thinks is familiar, and common to others in his culture. Such as Ralph living in his dumpster.
Call To Adventure
A normal occurrence motivates the hero to acknowledge an unknown aspect of his world, feel a restlessness with the constraints of his life, or find a new home he is not aware existed. Such as Ralph realizing the Felix is the only one that gets the credit for everything.
Refusal of the Call
The hero chooses not to move forward in life because he chooses to not give up his position, power, ideals, goals, or responsibilities; the the refusal is often based on his fear of the unknown an comfort in the familiar. Usually secondary characters support the hero's refusal. Such as when Ralph realizes that he wants to be a good guy.
The inexperienced hero is provided a supernatural, guiding, and guarding character, or an instrumental item item to assist his step forward into the unknown. Such as Ralph leaving his game to earn a medal to prove that he is good.
Crossing the First Threshold
The hero moves out of his comfort zone and walks alone. He is confronted with an obstacle with an obstacle that must be overcome before he can fully enter the dangers of the unknown journey. As when Ralph enters Hero's Duty.
Road of Trials
The hero becomes vulnerable and comes into play to face trials alone. Such as Ralph losing his medal and trying to obtain it back in Sugar Rush.
Meeting a Soul Mate
The hero meets an ideal and sees possibilities of his journey and encourages his forward. Such as Vanellope Von Schweetz being Ralph's soul mate.
Someone or something tries to destroy the journey itself. Such as King Candy / Turbo tries to destroy the game Sugar Rush and get rid of Vanellope.