First appearances of characters whose name contains “Obsidian”"

IssueTitleNotes
25All-Star Squadron1st Appearance of Infinity Inc.; 1st appearance of Jade; 1st appearance of Northwind; 1st appearance of Nuklon; 1st appearance of Obsidian; 1st appearance of Silver Scarab; Sheldon Mayer L.O.C.
25/NSAll-Star Squadron1st Appearance of Infinity Inc.; 1st appearance of Jade; 1st appearance of Northwind; 1st appearance of Nuklon; 1st appearance of Obsidian; 1st appearance of Silver Scarab; Sheldon Mayer L.O.C.
25All-Star Squadron (Canadian Edition)1st Appearance of Infinity Inc.; 1st appearance of Jade; 1st appearance of Obsidian; 1st appearance of Nuklon; 1st appearance of Silver Scarab; 1st appearance of Northwind; Sheldon Mayer L.O.C.
2Fearless (Marvel)1st Appearance of Mr. Brashill; 1st Appearance of Obsidian Industries
2/AFearless (Marvel)1st Appearance of Mr. Brashill; 1st Appearance of Obsidian Industries