Revolutionaries # 4 Comic Book (IDW Comics 2017)

Thousands of years ago, a starship crashed on Earth and the Hearts of Steel Transformers were born, but how can these steampunk Cybertronians be real?
And what does Cobra Commander want with them, when he hasn't even got Cobra to back him up?
The Revolutionaries have uncovered one of the darkest and most incredible secrets on Earth!

Revolutionaries # 4 is written by John Barber with art by Fico Ossio and a cover drawn by Tradd Moore.

Revolutionaries # 4 is a 32 page comic book drawn in full color and rated T.