Appearing in "Birth Of A Legend!"
Featured Characters:
- Mister U.S. (Caspar Milquetoast) (First Appearance)
Supporting Characters:
- Dogtag (First Appearance)
- Unnamed scientists
Villains:
- Nazis
- Heinrich
- Imperial Japan
Other Characters:
Locations:
Items:
Vehicles:
Synopsis for "Birth Of A Legend!"
Caspar Milquetoast was rejected from military duty as a 4-F. Shortly after, he was approached by two scientists from "Project Nazi-Stopper." Later, he was enhanced with mechanical arms, one mechanical leg, and a radio built into his head. One of the scientists, who was actually a Nazi spy named Heinrich snuck away with the plans for Project Nazi-Stopper to a hideout, but was followed by Caspar Milquetoast; now Mister U.S., who attacked them, alongside his sidekick dog Dogtag. The next day, Caspar and Dogtag read the news headline about Mister U.S.
Appearing in "A Hero Bestowed!"
Featured Characters:
- Mister U.S. (Dave Donovan) (First Appearance)
Supporting Characters:
- Polly
- Doctor von Bismark
- Doctor Tokai
Villains:
- Communists
- Ivan
Other Characters:
- Bart Hodgkins
Locations:
Items:
Vehicles:
Synopsis for "A Hero Bestowed!"
In a hospital in Manhattan, eighteen-year-old Dave Donovan was preparing for surgery. Meanwhile, a nurse had accidentally dropped his papers and had scheduled him for "Project Patriot". The next day, Dave realized that he was stronger and was reached by the doctors, who told him that he had actually been turned into a super soldier rather than been given a tonsilectomy. Suddenly, a Russian spy named Ivan stole the diagram and took it to a communist hideout. As Mister U.S., Dave followed him to the hideout and defeated them. Afterwards, he rushed to his school and realized that he was late for his dance with Polly and that she was dancing with Bart Hodgkins.
Appearing in "Mister U.S. (1960s)"
Appearing:
- Mister U.S. III (First Appearance)
- U.S. Junior
Supporting Characters:
Villains:
- B.A.D.G.U.Y.S.
- Unnamed baboon
- The Money Manipulator
- Harry Horrific
- Baron von Villheim (Mentioned only)
Other Characters:
- G.O.O.D.G.U.Y.S.
Locations:
- Space Station
- Earth
- Middle City (Mentioned only)
Synopsis for "Mister U.S. (1960s)"
In a space station, Mister U.S. and U.S. Junior were captured by the B.A.D.G.U.Y.S., who used a magnetic wall to hold their robot parts. In a flashback, an "average Joe" learned of the G.O.O.D.G.U.Y.S.' project and switched places with Colonel Adam to undergo the surgery to become Mister U.S. Then, Mister U.S. would fight B.A.D.G.U.Y.S. agents such as The Money Manipulator, Harry Horrific, and Baron von Villheim; he met U.S. Junior, while fighting Baron von Villheim and became his partner. Meanwhile, it was revealed that Mister U.S.' and U.S. Junior's parts were made from titanium, which magnets did not attract and the former broke free of the magnetic field and defeated their captor.
Appearing in "By Another Name..."
Featured Characters:
- Mister U.S. (Brett Kowalski) (First Appearance)
Supporting Characters:
- Unnamed friend
Villains:
- Colonel Hardwell
- Sheriff B. Gott
Supporting Characters:
Locations:
- United States of America
Items:
Vehicles:
Synopsis for "By Another Name..."
Brett Kowalski recalled the time he became Mister U.S. In a flashback, he was injured during a protest and was experimented to become Mister U.S. and sent on various missions. On one mission, he was sent to break up The Young Freedom Force, which ended with their arrests. Afterwards, he confronted Colonel Hardwell and decided to stop working for him. However, he had still kept his suit.
Appearing in "Old Glory"
Featured Characters:
- Mister U.S. V/"Caspar Milquetoast"
Supporting Characters:
- Amelia
- Renaldo
Villains:
- None
Other Characters:
- Game show contestants
- Uma Corona
- Elise Young
- Myron Gillis
- Tony Brace
- Shirlee
- Bobby
- Robby
- Laurel Scott
- Oscar Soren
- Ronald Reagan (Mentioned only)
Locations:
Items:
Vehicles:
Synopsis for "Old Glory"
Caspar Milquetoast was eating breakfast with his wife Amelia, before he went to participate in a game show. Later, Casper and his friend Renaldo were contemplating how the former was actually a robot.
Appearing in "Mister U.S. (1990s)"
Featured Characters:
- Mister U.S. VI (First Appearance)
Supporting Characters:
Villains:
- Frederick Lorenzo
Other Characters:
- Newscaster
Locations:
- Old Saint Charteris Church
Items:
Vehicles:
Synopsis for "Mister U.S. (1990s)"
Mister U.S. had confronted the criminal Frederick Lorenzo and stapled him to the door of Old Saint Chateris Church.
Trivia
- Despite appearing on the front cover, Rasputin does not appear in any story from the issue.
- All six stories are from metafictional issues.
- The first story is from All-Thrilling Comics #17 in April-May, 1943.
- The second story is from Tales of Uncanny Mysteries #74 in 1963.
- The third story is from Mister U.S. and Junior #140 in 1968.
- The fourth story is from The Incredible Mister U.S. #200 in May, 1973.
- Old Glory is from 1986.
- The final story is from the 1990s.