Marvel, 1977 Series
 
What If? #1
Issue 1
February 1977
Add/replace cover
What If? #2
What If? #3
What If? #4
What If? #5
Issue 5
October 1977
Add/replace cover
What If? #6
Issue 6
December 1977
Add/replace cover
What If? #7
Issue 7
February 1978
Add/replace cover
What If? #8
What If? #9
What If? #10
What If? #11
What If? #12
Issue 12
December 1978
Add/replace cover
What If? #13
Issue 13
February 1979
Add/replace cover
What If? #14
What If? #15
What If? #16
What If? #16
What If? #17
What If? #17
What If? #18
Issue 18
December 1979
Add/replace cover
What If? #19
Issue 19
February 1980
Add/replace cover
What If? #19
Issue 19
February 1980
Add/replace cover
What If? #20
What If? #21
What If? #22
What If? #23
What If? #24
Issue 24
December 1980
Add/replace cover
What If? #25
Issue 25
February 1981
Add/replace cover
What If? #25
Issue 25
February 1981
Add/replace cover
What If? #26
What If? #27
What If? #28
What If? #29
What If? #29
What If? #30
Issue 30
November 1981
Add/replace cover
What If? #30
Issue 30
November 1981
Add/replace cover
What If? #31
Issue 31
February 1982
Add/replace cover
What If? #31
Issue 31
February 1982
Add/replace cover
What If? #32
What If? #32
What If? #33
What If? #33
What If? #34
What If? #34
What If? #35
What If? #35
What If? #36
Issue 36
December 1982
Add/replace cover
What If? #36
Issue 36
December 1982
Add/replace cover
What If? #37
Issue 37
February 1983
Add/replace cover
What If? #37
Issue 37
February 1983
Add/replace cover