Legendary’s Monsterverse is further expanding with an Apple TV series starring Wyatt Russell, who will reprise his “Monarch: Legacy of Monsters” role as Colonel Lee Shaw.

“Obi-Wan Kenobi” showrunner and “Monarch” executive producer Joby Harold will serve as showrunner on the as-yet-untitled spinoff.

The series will follow Colonel Lee Shaw, an American operative who in 1984 went on a secret mission behind enemy lines in an attempt to stop the Soviets from unleashing a horrific new Titan big enough to destroy the U.S. and turn the tide of the...