Board Thread:Questions and Answers/@comment-1086162-20150921002401/@comment-27007110-20150921223742

Gilgameshkun wrote: This isn't even the first time Splinter's died in the TMNT multiverse. He also died in the Mirage comics. Yeah he "died" from a heart attack. It was shown before the mirage line was canceled that Donatello cloned splinter to study how he died it was discovered that the splinter that died was not the one who raised them. Though no resolution or answer this was ever given do the comics cancelation.