Comic Title: Blackhawk #272
Publisher: DC
Cover Date: September 1984
On Sale Date: June 7, 1984 Newsstand Date June 7, 1984
Source: DC Releases, #4

Newsstand Date June 7, 1984
Source: Comic Reader, #218

Newsstand Date June 7, 1984
Source: Amazing Heroes, #48

Shipping Date May 15, 1984
Source: Comic Reader, #218

Shipping Date May 15, 1984
Source: DC Releases, #4

Shipping Date May 15, 1984
Source: Comics Journal, #90

Copyright Date May 15, 1984
Source: Library of Congress, Copyright Office 1984
DC publication dates beyond April 1981 listed by the LoC
represent shipping dates NOT newsstand sale dates

Shipping Date May 15, 1984
Source: Amazing Heroes, #48

Cover Price: $0.75
Page Count: 32
Editor: Mark Evanier

Title: "The Domino Principle"
Pages: 17

Feature(s):
Blackhawk (of Earth-1)

Writer: Mark Evanier
Artist: Dan Spiegle
Letterer: Carrie Spiegle (McCarthy)
Colorist: Jerry Serpe

Feature Character(s)

• Blackhawk (last appearance in Blackhawk #271; next appearance in Blackhawk #272)

Supporting Character(s)

• The Blackhawks (last appearance in Blackhawk #271; next appearance in Blackhawk #273)
• Andre (last appearance in Blackhawk #271; next appearance in Blackhawk #273)
• Chuck (last appearance in Blackhawk #271; next appearance in Blackhawk #273)
• Hendrickson (last appearance in Blackhawk #271; next appearance in Blackhawk #272)
• Olaf (last appearance in Blackhawk #271; next appearance in Blackhawk #273)
• Stanislaus (last appearance in Blackhawk #271; next appearance in Blackhawk #273)

Villain(s)

• Adolf Hitler (last appearance in Blackhawk #269; next appearance in Adventure Comics #314)
• Frau Bulle (last appearance in Blackhawk #269; no further appearances)
• Various Nazi soldiers (no further appearances)
• Schultz (last appearance in Blackhawk #269; no further appearances)

Other Character(s)

• Helga (becomes Domino II in this story; last appearance in Blackhawk #269; no further appearances)
• General Hastings (a British officer; no further appearances)

Cameo Appearance(s)

• Domino (in flashback)
• Neville Chamberlain (in flashback)

Synopsis:
Hitler and Frau Bulle brainwash and train Helga, the girl who fell in love with Blackhawk while he was behind enemy lines. They turn he into an assassin whom Hitler names Domino II. For her first mission she kidnaps Andre while he is undercover in Algiers. She then offers to trade Andre for Blackhawk. While Blackhawk talks to Helga, Hendrickson frees Andre. In the end, Blackhawk gets Helga to surrender. He then gets her help to undo the Nazi programming. When word of the failure reaching Hitler, the angry dictator orders the invasion of Greece.