The Whisperer War is officially here! For a long while, the coalition of communities simply tried to avoid confrontation with The Whisperers. But with a new teaser video of Season 10, Episode 11, it is clear that violent conflict is about to be unleashed on “The Walking Dead.” Above, watch the preview trailer for “Morning Star,” which airs Sunday on AMC.

See ‘The Walking Dead’ episode 10 recap: Top 5 most tense moments from ‘Stalker’ include a deadly presence in Alexandria

Daryl (Norman Reedus) makes it back to Hilltop after his near fatal encounter with Alpha (Samantha Morton), but he faces a chilly reception. “You’ve gotta find our people man,” demands Luke (Dan Fogler) in a chastising tone. It’s been at least a day since the cave explosion and the fates of Connie (Lauren Ridloff) and Magna (Nadia Hilker) are still unknown. Yumiko (Eleanor Matsuura) is particularly stressed about her girlfriend Magna being trapped underground,...