Teräsmiehen Poika #1/1965

When the Legion of Super-Heroes is sent to dismantle Throon’s isolationist citadel and disable its disabling ray, they face a challenge unlike any before—no power, no speed, no flight can pierce the planet’s defenses. With their abilities nullified and stranded in silence, the team must rely on ingenuity and unity to survive the first test of their mission.