As part of his retrospective look back at The Walking Dead comic series, creator Robert Kirkman has been quick to acknowledge his foibles as an author, as much as his triumphs – perhaps even putting more focus on the former, rather than the latter, as with his latest self-nitpick about a recycled line of dialogue, which he calls his equivalent of a “Stan Lee moment.”

https://screenrant.com/walking-dead-negan-mistake-stan-lee/