SDCC 2017: New WALKING DEAD Trailer Teases Old Man Rick

Is there a time jump in THE WALKING DEAD's eighth season?

The Walking Dead hit Hall H today, a more somber affair than previous years that opened with a moment of silence for recently passed stuntman John Bernecker. 

Season 8 of AMC's popular zombie show will arrive October 22 with the 100th episode, and fans were given a sneak at the season with the below trailer: 

So with that last shot, are we looking at a time jump? A dream sequence? Flash forward? Lay your theories on us in the comments.