It's not as obvious as one would expect at first glance, but both franchises feature a group of misfits aiming to become superheroes. Together with the similarities of the two series' titles, the franchises share quite a bit in common with one another.
Umbrella Academy recently debuted its second season on Netflix, and now it's gotten a whole new makeover with this special crossover art fusing it with Kohei Horikoshi's My Hero Academia.