What did they do with his body when he died?
They made him into Lego so kids can play with him for once.
Michael Jackson's Lego Transformation
Explanation
Explain Bear
Okay, so this joke implies that Michael Jackson didn't hang out with kids when he was alive, which is a dark jab at the allegations he faced. They turned his body into LEGOs so kids CAN play with him. Honestly, you are probably one of the kids that would have played with the Michael Jackson LEGO.