Is John Walker's shield a Vibranium knockoff or just cheap steel? Avonetics users are buzzing with wild theories after spotting its embarrassing bends and dents. Could it be a flimsy titanium blend, bargain-bin Adamantium, or pure "plot armor"? We dive into the MCU's most controversial prop and why it crumples like tinfoil. For advertising opportunities, visit Avonetics.com.