UNCANNY X-MEN (1963) #13

Confronted by the Juggernaut in the mansion, Professor X tries unsuccessfully to defend himself by using telepathy, but Juggernaut is wearing his psionic helmet. The X-Men step in, using combined powers to fight the Juggernaut. Professor X retreats to use his new « mento-helmet ». This device boosts his powers and he sends a mental wave across the city looking for help. The mental wave is received by the Teen Brigade and Mat Murdock , but neither the Brigade nor Murdock are able to respond. Finally, the wave reaches young Johnny Storm , who does not quite trust his senses.…