I say no to Snipes as Blade again. I think maybe some more time needs to pass till a reboot and a now direction and actor. And though I want Blade to be in the same universe and the Avengers I prefer Vampires to be even be under the radar from even the likes of S.H.E.I.L.D.
But I do say YES
to Snipes being cast as S'yan T'Challas uncle in a upcoming Black Panther film