How to Train Your Dragon" is maintaining its top ranking in movie theaters. The Universal Pictures live-action remake maintained its No. 1 spot at the North American box office despite two sizeable new releases this weekend.

Universal’s How to Train Your Dragon had no trouble staying No. 1 in its second weekend with an estimated $37 million domestic haul despite the entry of the highly anticipated sequel 28 Years Later and Elio - which limped to $21 million from in what marks the lowest opening ever for Pixar amid a glut of family box office hits and a troubled marketplace for original animated fare.

Hollywood's struggles with original animation continue as Disney's latest offering opens below the $29 million for the R-rated "28 Years Later"