Audio problem: When Zedd, Rita, Goldar and Mordant are at the building site to free Ivan Ooze there is a moment when Mordant says "I could do that, I just choose not to" however his mouth continues to move long after he has said this. (00:11:16)
Audio problem: Billy swings across the construction site to help Aiesha, he then stamps on some ooze men's heads. He counts each stomp up to 6 and we hear 6 stomps. However there are only 3 ooze men, and we can plainly see Billy doesn't stomp any more than once. (00:25:25)
Answer: They weren't even considered to appear in the movie considering there were so many other changes (different suits, new Command Centre etc). Also the movie has been widely accepted as out of continuity with the TV show, so their disappearance doesn't really mean much.