I saw an interesting video on YT that explained he was so badly burned during the Pepsi commercial that a replacement was swapped in for him. The real MJ did an interview on CNN with Larry King where he played a burn victim.

At first I was feeling the same as you might be feeling reading this....tin foil hat time....but the more I listened to the burn victim and started to open up my mind to the possibility. It seems plausible...You never know what is true these days....Something to think about.