The steep decline in box office earnings for 'Supergirl' poses significant financial risks for Warner Bros. and DC Studios. With a combined production and marketing budget of $290 million, the film is projected to incur losses of at least $100 million if it fails to reach $200 million globally. This underperformance could also impact the broader DCU strategy, as 'Supergirl' was intended to be a pivotal installment in the franchise. The film's poor reception may deter audiences from future DCU projects, potentially jeopardizing the studio's long-term plans.