Incredible Hulk #377

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  • 1st appearance of the Professor Hulk personality (grey/green composite)
  • 1st appearance of Guilt Hulk, a manifestation of Banner's guilt
  • 1st appearance of the Professor Hulk personality (grey/green composite)
  • 1st appearance of Guilt Hulk, a manifestation of Banner's guilt

Issue Details

Publisher Marvel
Artist Dale Keown
Writer Peter David
Published January 1991