Character mistake: The MC introduces Boggy in his ending saying that "He ARREVED on the scene like a meteor" and "his climbed up the stairs to stardom."
Other mistake: Celebrating the tournament win of one J.McCoy in his ending, the commentator says that "this is what AMERECA is all about."
Character mistake: During Lihua's ending, her newfound father tells her "You're mother was married when she was 15."
Character mistake: In Wulong's ending, he says he's "leaveing" the criminal syndicate.
Other mistake: Kazuya's ending contains a couple mistakes; he mentions "Many opponents much stronger than they wait for me" (should be "Stronger than him", or "than that", or "Many much stronger opponents."), he says "Oh...I've I'd known this was going to happen" and there's even a pretty epic "COLL" instead of "Cool."
Other mistake: In Marco's ending, the word "Valuable" is misspelled into "Valuavle".