From the popular TV series, Heathcliff the Cat got his own comic-book series as part of Marvel Comics' Star Comics imprint. 
With it's 56 issues, it was the longest running series of the imprint.

• Issue #56
  4/11/2017
• Issue #55
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• Issue #54
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• Issue #53
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• Issue #52
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• Issue #51
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• Issue #50
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• Issue #49
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• Issue #48
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• Issue #47
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• Issue #46
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• Issue #45
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• Issue #44
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• Issue #43
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• Issue #42
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• Issue #41
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• Issue #40
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• Issue #39
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• Issue #38
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• Issue #37
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• Issue #36
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• Issue #35
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• Issue #34
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• Issue #33
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• Issue #32
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• Issue #31
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• Issue #30
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• Issue #29
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• Issue #28
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• Issue #27
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• Issue #26
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• Issue #25
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• Issue #24
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• Issue #23
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• Issue #22
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• Issue #21
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• Issue #20
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• Issue #19
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• Issue #18
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• Issue #17
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• Issue #16
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• Issue #15
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• Issue #14
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• Issue #13
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• Issue #12
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• Issue #11
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• Issue #10
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• Issue #9
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• Issue #8
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• Issue #7
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• Issue #6
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• Issue #5
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• Issue #4
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• Issue #3
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• Issue #2
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• Issue #1
  4/11/2017