Batman — DC Comics
Issue: #121
Last valuation update: 2025-09-24
The first appearance and origin of Mr. Freeze (known as Mr. Zero in this issue).
First appearances: Mr. Freeze, Duds Decker, Alec Wyre, Dan Dolson, Jigger Mulane, Hank Purdy
Creators: Bill Finger, Sheldon Moldoff, Curt Swan, Stan Kaye, Dave Wood, Charles Paris
Characters: Batman, Dick Grayson, Mr. Freeze, Duds Decker, Alec Wyre, Warden Willis, Dan Dolson, Jigger Mulane, Hank Purdy