What If? #1
"What If Spider-Man Joined the Fantastic Four?"
(February, 1977)

What If? #2
"What If the Hulk Had the Brain of Bruce Banner?"
(April, 1977)

What If? #3
"What If the Avengers Had Never Been?"
(June, 1977)

What If? #4
"What If the Invaders Had Stayed Together After World War Two?"
(August, 1977)

What If? #5
"What If Captain America Hadn't Vanished During World War II?"
(October, 1977)

What If? #6
"What If the Fantastic Four Had Different Super-Powers?"
(December, 1977)

What If? #7
"What If Someone Else Besides Spider-Man Had Been Bitten By the Radioactive Spider?"
(February, 1978)

What If? #8
"What If the World Knew That Daredevil Is Blind?"
(April, 1978)

What If? #9
"What If the Avengers Had Fought Evil During the 1950's?"
(June, 1978)

What If? #10
"What If Jane Foster Had Found the Hammer of Thor?"
(August, 1978)

What If? #11
"What If the Original Marvel Bullpen Had Become the Fantastic Four?"
(October, 1978)

What If? #12
"What If Rick Jones Had Become the Hulk?"
(December, 1978)

What If? #13
"What If Conan the Barbarian Walked the Earth Today?"
(February, 1979)

What If? #14
"What If Sgt. Fury Had Fought World War Two In Outer Space?"
(April, 1979)

What If? #15
"What If Nova Had Been Four Other People?"
(July, 1979)

What If? #16
"What If Shang-Chi Master of Kung Fu Fought on the Side of Fu Manchu?"
(August, 1979)

What If? #17
"What If Ghost Rider Spider-Woman Captain Marvel Were Villains?"
(October, 1979)

What If? #18
"What If Dr. Strange Were a Disciple of Dormammu?"
(December, 1979)

What If? #19
"What If Spider-Man Had Never Become a Crimefighter?"
(February, 1980)

What If? #20
"What If the Avengers Fought the Kree-Skrull War Without Rick Jones?"
(April, 1980)

What If? #21
"What If Invisible Girl of the Fantastic Four Married the Sub-Mariner"
(June, 1980)

What If? #22
"What If Dr. Doom Had Become a Hero?"
(August, 1980)

What If? #23
"What If the Hulk Had Become a Barbarian?"
(October, 1980)

What If? #24
"What If Spider-Man Had Rescued Gwen Stacy?"
(December, 1980)

What If? #25
"What If Thor and the Avengers Battled the Gods?"
(February, 1981)

What If? #26
"What If Captain America Had Been Elected President?"
(April, 1981)

What If? #27
"The X-Men Ask: What If Phoenix Had Not Died?"
(July, 1981)

What If? #28
"What If Daredevil Became an Agent of S.H.I.E.L.D.? What If Ghost Rider Were Separated from Johnny Blaze?"
(August, 1981)

What If? #29
"What If the Avengers Defeated Everybody?"
(October, 1981)

What If? #30
"What if Spider-Man's clone lived?"
(December, 1981)

What If? #31
"What If Wolverine Had Killed the Hulk? What If the Fantastic Four Had Never Been?"
(February, 1982)

What If? #32
"What if the Avengers had become pawns of Korvac?"
(April, 1982)

What If? #33
"What If Dazzler Had Become the Herald of Galactus and Iron Man Was Trapped in the Time of King Arthur?"
(June, 1982)

What If? #34
"What If?"
(August, 1982)

What If? #35
"What If Elektra Had Lived? What If Yellowjacket Had Died?"
(October, 1982)

What If? #36
"What If the Fantastic Four Had Not Gained Their Super-Powers?"
(December, 1982)

What If? #37
"What if the Beast and the Thing continued to mutate?"
(February, 1983)

What If? #38
"What if featuring Daredevil and Captain America"
(April, 1983)

What If? #39
"What If the Mighty Thor Battled Conan the Barbarian?"
(June, 1983)

What If? #40
"What if Dr. Strange had not become Master of the Mystic Arts?"
(August, 1983)

What If? #41
"What If Sub-Mariner Had Saved Atlantis from Its... Destiny?"
(October, 1983)

What If? #42
"What If the Invisible Girl Had died?"
(December, 1983)

What If? #43
"What If Conan the Barbarian... Were Stranded in the 20th Century?"
(February, 1984)

What If? #44
"What If Captain America Were Revived Today?"
(April, 1984)

What If? #45
"What If the Hulk Went -- Berserk?"
(June, 1984)

What If? #46
"What If Spider-Man's Uncle Ben Had Lived?"
(August, 1984)

What If? #47
"What if Loki had found the hammer of Thor?"
(October, 1984)