Complex sentence: Members of Justice League Dark appear in "Injustice 2" these include Swamp Thing (as a playable character), Zatanna and John Constantine (who appear in Doctor Fate's ending in cameo) as well as the team's headquarters The House of Mystery.
Split into simpler sentences: Members of Justice League Dark appear in "Injustice 2". These include Swamp Thing (as a playable character), Zatanna and John Constantine (who appear in Doctor Fate's ending in cameo) as well as the team's headquarters The House of Mystery.