Memorial Day weekend typically sets the standard for summer box office sales, and the successful opening for “Thunderbolts*” is the start of an impressive holiday box office, experts say.

Marvel Studios' latest film, "Thunderbolts" had a solid opening weekend as the box office continues to soar past the doldrums of the first quarter.

Marvel’s latest offering is reigning the box office. Thunderbolts had a massive $162 million opening weekend, with a reported budget of $180 million