Apocalypse & Galactus

I have a problem with these two characters, because they do not appear behind the stage floor ..

tengo un problema con estos dos personajes, porque ellos no aparecen detrás de el piso de el escenario..



onlaught is fine as you can see ..

onlaught esta bien como pueden ver..



how can i fix this problem?

como puedo solucionar este problema?

I believe this is a common bug. They must have their specific stages for them to work

The characters need to have a smaller Sprite priority than the stages sprites to appear behind em