First appearances of characters whose name contains “UNa”"

IssueTitleNotes
21Manhattan Projects, The1st Appearance of Rys; 1st Appearance of UNa
21/AManhattan Projects, The1st Appearance of Rys; 1st Appearance of UNa
12Marvel Super-Heroes (Vol. 1)Title continued from Fantasy Masterpieces; Reprints material from Men’s Adventures #27, All-Winners Comics #12; 1st appearance of Una; 1st appearance of Yon-Rogg; 1st appearance of Captain Marvel (Mar-Vell); Origin of Captain Marvel (Mar-Vell); Men’s Adventures #28; & Sub-Mariner Comics #38