The film 'Next Avengers: Heroes of Tomorrow' does not feature any identifiable LGBTQ+ characters or themes. The narrative centers on the children of the Avengers and their heroic journey, with no elements related to queer identity present in the plot or character arcs.

The film 'Next Avengers: Heroes of Tomorrow' does not feature any identifiable transsexual characters or themes. The narrative focuses on the children of the Avengers fighting Ultron, with no elements related to transgender identity present in the story.

The film introduces a new generation of heroes, who are the children of established Avengers. These are original characters, not gender-swapped portrayals of existing canonical figures. The original characters who appear retain their established genders.

This animated film introduces the children of the original Avengers, and their racial portrayals are consistent with their established parentage in the source material. No characters canonically established as one race are depicted as a different race.