A lot of season 4 has already been dubbed and released thanks to crunchy roll simulcasting. It not available on Hulu but you can definitely find dubbed episodes online.
How many seasons of MHA are dubbed?
LumenDatabase.org
Is My Hero Academia dub Season 5 on Hulu?
Fortunately for fans, it turns out that there's no need to worry. Hulu still owns the partial streaming rights to the show in the U.S. and seasons one through four of the beloved shonen superhero series are available dubbed and subbed on the platform, with season five available in subtitles.18 nov 2021