(CNN) — Talk about a “bad romance.”Lady Gaga is making her long-awaited debut as Harley Quinn alongside Joaquin Phoenix’s reprisal of his Oscar-winning Joker in<a class="excerpt-read-more" href="https://wsvn.com/entertainment/lady-gagas-harley-quinn-makes-joaquin-phoenixs-joker-feel-less-alone-in-folie-a-deux-trailer/">Read More</a>