Lavalantula

A washed-up action star from the 1990s tries to be a hero in real life, fighting off a monstrous swarm of giant lava-breathing tarantulas that have erupted out of ancient volcanoes in the Santa Monica Mountains and are leaving a fiery path of death and destruction across Los Angeles. Volcanic eruptions in Los Angeles unleash a swarm of gigantic, lava-breathing tarantulas.