Rockstar has now come right out with it and announced all that you want to hear, Red Dead Redemption 2 is a real thing that is happening. They will follow up with a trailer for it on Thursday, October 20th, at 11am.
I was never a huge fan of Red Dead when it first came out played it for a little but soon got fed up and gave up. I am interested to see where they have taken the second game though.