Jesse Armstrong, the creator of 'Succession,' released the first trailer for his HBO original film titled 'Mountainhead.'The movie stars Steve Carell, Jason Schwartzman, Cory Michael Smith, and Ramy Youssef as tech billionaires.The trailer showcases tension between the four characters amidst a backdrop of global unrest.'Mountainhead' premieres on HBO on May 31 and explores themes of greed, power, and male ambition.