Tony stark return

How to tony stark return back in MCU

I love you 3000 

That was the last words of tony stark 

Last words because tony stark RDJ leave MCU because he is boring by doing the same story movie so he was leave .

But one good news rdj doo his another movies he is back and continue his role as iron man 

But now this role is continue by his daughter after some years tony stark come back with the help of his daughter she take back him with the help of time stone she come in past and the moment when iron man snap

She stop him and cut the hand of iron man that was why gamma radiation not affect on his body but his hand was cut but he was lived .