The Walking Dead Season 7: 9 Major Predictions
8. And So Does Someone Else In The Premiere
All that being said, I don't think Abraham will be the only one killed by Negan. I envisage the show picking up right where it left off, showing the death of Abraham, and then having another death at the end.
The show needs something big to happen after that cliffhanger, and this is perhaps the best way to do it. It ensures everyone - viewers and characters - are kept on their toes, establishes Negan as the biggest threat they've ever faced, and will break a few of the characters left - not to mention the internet, and fans' hearts.
So who could it be? Again, whomever Negan kills has to carry some weight, so I just can't see it being Rosita/Sasha/Aaron/Eugene, even if it's as one of two. It won't be Rick or Carl either. So Michonne, Daryl, Glenn, or Maggie.
Of those, Glenn seems a good bet. It gives him his iconic comics death, but also subverts that expectation too;, he's a huge fan-favourite, and it'd lead to some major character development for Maggie.