Bryan Cranston -- DESTROYS Fan With Mom Joke At Comic-Con

Bryan Cranston just delivered one of the best burns we've ever seen ... complete with the perfect mic drop.

Cranston, who played Walter White on "Breaking Bad" was doing a Q&A at Comic-Con on Thursday and was asked how he killed time while filming in Albuquerque, NM. You've gotta check out the video for his EPIC response.