First appearances of characters whose name contains “Mac Gargan”"

IssueTitleNotes
19Amazing Spider-Man, The1st Appearance of Mac Gargan; 1st appearance of Rock Gimpy; 1st appearance of Ned Leeds; 2nd appearance of Ned Leeds; Versus The Enforcers; Versus Sandman (William Baker); Versus Enforcers
19Amazing Spider-Man, The (UK Edition)1st Appearance of Mac Gargan; 1st appearance of Rock Gimpy; 1st appearance of Ned Leeds; Versus Sandman (William Baker); Versus Enforcers