Hong Kong, March 29 -- Three years after

pitted two of the most popular movie monsters against each other in a titanic showdown, its sequel

, helmed by returning director Adam Wingard, brings them back - not exactly for another showdown, though. The movie expands the lore of the MonsterVerse franchise, including the history of Titans and the Hollow Earth, the subterranean realm deep within the Earth that was introduced in the last movie.

also introduces a new threat to humanity, and it is so devastating that even the two legendary rivals, Godzilla and Kong, must forge an uneasy alliance to confront it. Notably, they briefly united to take on and destroy the Mechagodzilla at the end of

Rebecca Hall, Brian Tyree Henry and Kaylee Hottle ...