DC Comics

HEADMASTER

2

APPEARANCES

2

SERIES

FIRST APPEARANCE

Hardware #11 cover

Hardware #11

January 1994

Earliest catalogued appearance of Iron Butterfly.

KEY APPEARANCES

All 2 appearances.

Hardware #11 cover

Hardware #11

Earliest catalogued appearance of Iron Butterfly.

Jan 1994

No listings

Shadow Cabinet #0 cover

Shadow Cabinet #0

Earliest catalogued appearances of Xombi and Mechanic.

Jan 1994

No listings

SERIES

Hardware

Hardware

50 issues

Shadow Cabinet

Shadow Cabinet

18 issues