Yes, "Pitch Perfect 2" is a sequel to the original "Pitch Perfect" film. It was released on May 15, 2015. The movie continues the story of the Barden Bellas, a group of a cappella singers, as they face new challenges and compete in an international a cappella competition. The film features returning cast members, including Anna Kendrick, Rebel Wilson, and Brittany Snow, and it explores themes of friendship, competition, and personal growth.

No, Barack Obama does not appear in "Pitch Perfect 2." However, there is a humorous reference to him in the film. The movie features a scene where the Barden Bellas perform at the Kennedy Center, and during this event, a character mentions that they are performing for President Obama. While he is not physically present in the film, his mention adds to the comedic context of the performance.

In "Pitch Perfect 2," the Barden Bellas, an all-female a cappella group, face a major setback after a disastrous performance at the Kennedy Center. To regain their reputation, they aim to win the World A Cappella Championships, a feat no American group has achieved. The film follows their journey as they navigate rivalry with a German group, personal challenges, and team dynamics. With the help of new member Emily, they work to unite and improve their skills, culminating in a high-stakes final performance that showcases their growth and talent.

In "Pitch Perfect 3," the Barden Bellas reunite after college as they struggle to find their place in the world. They decide to perform at a USO tour, where they compete against other groups for a chance to win a recording contract. The film explores themes of friendship, growth, and the challenges of transitioning to adulthood. The Bellas face new obstacles, including the arrival of a rival group and personal conflicts, but ultimately come together to showcase their talent and support each other in their individual journeys.