The Tomorrow War -

While primarily an action flick, it explores themes of family (specifically father-daughter bonds) and has been interpreted as an allegory for climate change , representing a future catastrophe that current generations must solve.

Time travelers from the year 2051 arrive in the present to recruit soldiers for a future war against a ravenous alien species known as "White Spikes" . The Tomorrow War

Several books share this title, each with a different focus: While primarily an action flick, it explores themes