X-Men (1963) 32-A

"Beware the Juggernaut, My Son!"

The team celebrates Bobby's 18th B-Day while Professor X finally reveals his secret labors, his brother Cain and how he will rid Cain of the powers of Cyttorak. The team is forced to fend off a biker gang by using minimal powers so as not to give away their secret identities. Meanwhile, Professor X readies Cain to be rid of Cyttorak but something goes wrong and the Juggernaut escapes and sets a trap for the X-Men as he defeats them in combat. Cain learns that Factor Three is responsible for his escape as they tempt him to join them in Europe.