The X-Men #3 (1964)

Picture this excelsior! The X-Men are back and better than ever in their third issue, bub! Follow Cyclops, Beast, Jean Grey, Angel, and Iceman as they train in the Danger Room, fighting off bean bags and tackling obstacles. But things take a turn when Professor X senses another mutant nearby and sends the team on a mission to find him. Led astray multiple times, the X-Men finally stumble upon the mutant they seek at the circus, a young man known as the Blob. But when they offer him membership in the X-Men, the Blob refuses and the team must capture him before he rallies an army of carnies to attack their headquarters. It's a wild ride full of action and adventure, and with the first appearance of the Blob, it's a must-read for any true comic book fan! Excelsior!