Overview

• Lee Shaw, a central character in the series 'Monarch: Legacy of Monsters', is revealed to have previously embarked on a mission to the Hollow Earth, a realm inhabited by Titans, during which he disappeared for 20 years due to time dilation.
• Shaw's mission, known as Operation Hourglass, ended in disaster with the loss of his team and resulted in the defunding of Monarch, the agency behind the mission.
• Upon his return, Shaw is sent to a retirement home where he remains until news of Godzilla attacks rekindle his determination.
• In the present timeline, Shaw, along with character May, find themselves trapped in the Hollow Earth following a failed attempt to close the Titans' entrances to Earth.
• Cate Randa, initially thought to be dead, is found alive in the Hollow Earth and is saved from a Titan by Dr. Keiko Muira, who is revealed to have survived a previous incident and has not aged due to time dilation in the Hollow Earth.