What If?

(1977) #13

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• penciller (cover)

  John Buscema

• penciller

  Sal Buscema

• letterer

  John Costanza

• letterer

  Joe Rosen

• letterer

  Gaspar Saladino

• editor

  Mark Gruenwald

• editor

  Jim Shooter

• editor

  Roy Thomas

• inker

  Ernest Hart

• inker

  Joe Sinnott

• colorist

  Glynis Oliver

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All data from the awesome folks at Marvel.