The Walking Dead Season 6 midseason finale teases the arrival of Negan

The Walking Dead's most infamous villain will appear in season 6

While Rick and company were attempting to survive the swarm of zombies in Alexandria following the collapsed tower, missing from tonight's season six midseason finale for The Walking Dead were Daryl (Norman Reedus), Sasha (Sonequa Martin-Green) and Abraham (Michael Cudlitz). Don't worry, I won't spoil anything that happened in the actual episode for those who have yet to watch it. However, those who did watch the midseason finale and stuck around through the first commercial break of AMC's Into the Badlands were treated to a special sneak peek at the second half of the season.

Okay, so some slight spoilers about the remainder of the season follows…

The post-episode "Prologue to the Next Chapter of The Walking Dead" shows just what Daryl, Sasha and Abraham were up to during the midseason finale. Turns out, they've been captured by a biker gang who mutter the name of one of The Walking Dead's most infamous villains: Negan.

Negan serves as the main villain in the comic, but has yet to appear in television series. If Hollywood Reporter's "sources" are correct, that will change in the season six finale. And the video clip below sets up the character's introduction.

For those unfamiliar, Negan is the leader of "The Saviors," an authoritative that subjugates nearby communities and essentially forces them to pay tribute in exchange for protection against zombies.

But Negan is perhaps most notorious for being the person to kill Glenn. Yes, Glenn may have survived the swarm of walkers earlier in the season, but it looks like his end could be near if the television series stays true to the events in the comic, which sees Negan brutally kill Glenn with "Lucille," a baseball bat covered in barbed wire. 

At this point, it's unclear if Negan's introduction in the television series actually means the death of Glenn, or if the arrival of the infamous character is just to shake things up.

Walking Dead creator Robert Kirkman did appear on this week's "The Talking Dead," briefly addressing Negan and the Saviors, while hinting that the group — which is "completely different" than the Wolves — could serve as a catalyst to "fundamentally change everything that we are doing."

The Walking Dead returns to television on Feburary 14, 2016.