With that said it’s also entirely possible the whole photo prank on Jeffrey Dean Morgan and Norman Reedus is entirely unrelated to this, and just a bit of fun to give the actors a chuckle or two.
Of course, this is all speculation, which is a part of the fun of San Diego Comic-Con.
Surprises and unexpected reveals are all a part of the convention, so it’s a safe bet The Walking Dead will have some unexpected news or appearance set for its panel.