IT'S TWIN THREATS TO TIME AND SPACE AS CAMPAIGNS BY KANG AND THE CROWN COINCIDE! THE AVENGERS FIGHT THE?SET-SERVING SQUADRON SUPREME IN A CLASH BETWEEN EARTHS AND HEAD FOR THE NINETEENTH CENTURY TO KEEP THE WEST FROM GETTING WILDER! CONTINUITY QUESTIONS CONTINUE AS KANG AND IMMORTUS MIX IT UP! PLUS: THE MENACE OF...PRESIDENT NELSON ROCKEFELLER?! COLLECTING AVENGERS (1963) #141-144 AND #147-149.