they do, but this isn't an april fools thing. Super is more or less done imo, think they've played out the super dragon balls after this arc so when DB does come back (next year - if at all) it'll be under a new name and probably take place after Z. I just hope they learn from supers mistakes and put some serious pre-production, time, good animation and writing into the next series.
Are you talking about End of Z or are you hoping Super is re conned out of canon existence like GT?