At the start of the campaign, we find Woods and Adler down but not out. The former, a Vietnam veteran who debuted in 2010’s Call of Duty: Black Ops, is now paralyzed and bound to a wheelchair.

The 45-second teaser trailer appeared on official Treyarch social media platforms and pivots attention back to Russell Adler, seen smoking a cigar. He takes a sit-rep call from Frank Woods while ...