The Wedding - S5-E1
Audio problem: When J. Jonah Jameson is telling Peter he can work off his wedding gift over the next decade or two, his mouth movement is slightly out of sync with the dialogue.
The Wedding - S5-E1
Audio problem: When the orderly is telling Harry that he has visitors, his mouth isn't moving.
Six Forgotten Warriors Chapter 3: Secrets of the Six - S5-E4
Audio problem: When Kingpin is asking Scorpion if he is the traitor, his mouth movement is not in sync with the dialogue.
Six Forgotten Warriors Chapter 4: The Six Fight Again - S5-E5
Audio problem: When Dr. Groitzig is saying "It's been so many years," he has his fingers in his mouth. While it's possible to speak with fingers in your mouth, your voice will sound quite different when doing so, and Groitzig's voice sounds normal.
Secret Wars, Chapter 3: Doom - S5-E11
Audio problem: When the Lizard says "Yes, Spider-Man," his mouth is wide open and motionless.
Chosen answer: Felicia and Peter's friendship in this series was depicted as being on-again-off-again. At this point in the series they may have been on good terms. Plus Felicia is a wealthy socialite and Peter and Mary Jane's wedding was a big event due to Wilson Fisk paying for all of it.
Phaneron ★