'Captain America: Civil War' Looking At 5th Best All-Time Opening With $176.4M-$182M; Unseating 'Iron Man 3' - Box Office

3rd UPDATE, 9:28PM: Captain America: Civil War is looking at an estimated $74M -$76M opening day, for a $176.4M-$182M opening according to industry estimates tonight. This range puts Civil War as the fifth highest opening of all-time, a gross that any studio would envy. Disney always saw the opening for this Marvel title here at $175M, while the industry pushed Civil War toward the $190M-$200M range. Nothing is broken here in the Marvel universe. Sequelitis just comes…