DC Universe: Crisis on Infinite Earths: The Villain War
by Martin Maenza, adapted and expanded from Crisis on Infinite Earths #9-10 by Marv Wolfman and George Pérez 
As the remaining Earths begin to merge together, Brainiac and Lex Luthor of Earth-One have a plan to take them all! With an army of super-villains gathered from all five Earths, they mount a carefully planned invasion of Earth-Four, Earth-S, and Earth-X, swiftly defeating those worlds’ heroes. An army of super-heroes from Earth-One and Earth-Two soon arrive to free the other three Earths, but with the numbers favoring the villains, can the heroes rally to beat the odds? Guest starring the Justice League of America, the Justice Society of America, the New Teen Titans, the Outsiders, Infinity Inc., the Doom Patrol, the Marvel Family, the Freedom Fighters, and the Sentinels of Justice!
Showcase: Detective Convention: Who Killed the Angle Man?
by Martin Maenza 
During the twenty-four hour period that the five Earths are merged, a detective convention in Las Vegas turns serious when the costumed villain Angle Man is found dead. Who killed him and why? Five famed detectives and one policewoman — Jonni Thunder, Jonny Double, Harvey Bullock, Christopher Chance, Angel O’Day, and Liza Warner — are about to find out. Guest starring Earth-Four’s Michael Mauser. This Crisis crossover is inspired by a scene in Crisis on Infinite Earths #11!
Michael Mauser, Private Eye: War and Peacemaker
by CSyphrett 
Life is never easy if your name is Michael Mauser. How does a simple larceny investigation become a fight to the death with the Mars Council? And when Mauser, New York’s dirtiest P.I., is served up as bait to capture the Weapon — the world’s deadliest hitman — will the Peacemaker, serving as his bodyguard, show up in time to keep Mauser from meeting his final reward? The action culminates in a toe-to-toe fight in the sewers of New York.