First Steps' held firm at the top of the U.K. and Ireland box office for a second weekend, adding $4.1 million.

The Marvel superhero pic tumbled 66 percent in its sophomore outing domestically, compared to a 53 percent drop for DC's 'Superman.'

The Fantastic Four: First Steps is set during the 1960s, unlike its predecessors, which were set during modern times and don't tell their origin stories. In addition to that, the film ( alongside Thunderbolts) has also set the stage for Avengers: Doomsday, which is set for a December 2026 release.