Acknowledging the limited capacity StudioMDHR might have - though an argument could be made for the dev's expansion given its credibility and track record - other issues the company would need to face is how could the overall design of Cuphead be improved and expanded to justify a new game. On the assumption that StudioMDHR does plan to release a follow-up sequel to Cuphead eventually, it's already clear that the developer has some significant challenges to overcome.