Taking place some years later, variants should be rampant in The Walking Dead: Dead City - especially a zombie-infested New York - yet not a single one is invited to Maggie and Negan's party.

Source: https://screenrant.com/walking-dead-city-what-was-point-spinoff/

The most unusual thing about Negan's inclusion is that unlike Akuma, who originates from another fighting game, Negan has little relevance to the gaming world.

Source: https://www.cbr.com/tekken-guest-characters-weird-fighters/

Though Annie was a major part of Negan's change in the original series, she seems to have an insignificant influence on him years later.

Source: https://www.cbr.com/walking-dead-characters-appearances-spinoffs/

While it's obvious that will focus on the tense dynamic between Negan and Maggie, there seems to be a hole in Negan's storyline since the original show ended several years before the spinoff.

Source: https://www.cbr.com/walking-dead-characters-appearances-spinoffs/