Rage G.I. Joe: Renegades : Season 1 Episode 8

Posing as a preacher that helps veterans, Scrap-Iron kidnaps Tunnel Rat and uses him to test a weaponized "exo-armor" suit for James McCullen and his M.A.R.S. Industries. He meets Ralph Pulaski (aka Steeler) in another suit and they must battle each other to survive. Roadblock then attempts a rescue by allowing himself to be captured, but he is forced into an exo-suit as well. Now the rest of the Joe's have to save him too.