There's a song which starts at 21:20 at season 3 episode 3 of Boku no Hero Academia where the villains are starting in the wood. It sounds like metal.
What is the name of the song?
Vanguard Action Squad -All-out Attack-
The full soundtrack just got released. You can listen to all of it here: https://youtu.be/Js7BIXiHQ8I
Song starts at 1:17:53.