Detective Comics Vol. 1 Issue 595

Invasion! First Strike! (First Strike Tie-in)
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"Our Man in Havana"

The Dark Knight makes it personal when Invasion! comes to Gotham City. He discovers that the forces of the Alien Alliance in Cuba are attempting to establish an advance base underneath his nose. On the trail of international arms shipments, he travels to Havana and takes on an alien munitions factory. The local guards, the Khunds and Thanagarians are respectively some of the toughest and most vigilant soldiers in the universe. They don't stand a chance against Batman. Stealthily fighting and brawling through, Batman improvises and rams a boatload of demolitions into the factory, destroying it in a fiery explosion. Satisfied with his work, he swims off into the night.
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This issue is an Invasion! First Strike extra, and a tie-in to the larger story told in the Invasion! miniseries. These crossovers take place in between Invasion! #1 and Invasion! #2, largely dealing with the Alien Alliance's assault on Earth and the way heroes around the world were participating in the initial war effort.