Alien Warriors of Earth 16: OC x Supergirl

What happens when a team of teenaged Young Justice League heroes discovers origins surrounding a race long thought dead? Are they a threat to Earth or are they Allies? (Elements of Black Clover, but no Black clover characters appear in the story) DBS x Young Justice/Justice League. OC x Supergirl, OC x Wondergirl, OC x Aqualad.