What If? Classic Vol. 6 (Trade Paperback)
Published: 12/9/2009
- John Byrne, penciller
- Paty Cockrum, penciller
- Steve Ditko, penciller
- Arvell Jones, penciller
- Alan Kupperberg, penciller
- Greg Larocque, penciller
- Frank Miller, penciller
- Don Perlin, penciller
- Dan Reed, penciller
- Mike Vosburg, penciller
- Tom Defalco, writer
- Bill Mantlo - Duplicate, writer
- Danny Fingeroth, writer
- Steven Grant, writer
- David Anthony Kraft, writer
- Rich Margopoulos, writer
- David Michelinie, writer
- Roger Stern, writer
- John Romita Jr., penciler
- Tom Smith, other