The super spider is confirmed lethal, if what I recall from prior searching is correct. Several people have reported "white snakes" in spider to spider breedings that either died before the end of incubation or shorty after pipping (exposure to air). It's been a while since I researched this so I can't remember specific names (I'm sure I can find the reports though), but some people following the breedings/results think it's an lung toxicity or underdevelopement problem along with the compounded neuro issues.
Personally, I wouldn't breed spider to spider simply because of the chance of producing a snake with the lethal combo. In my opinion, and this is just speculation, the reason that people who breed spider to spider don't see these issues very often is because the lethal combos die early in incubation or possibly even before the female lays. There is no way to tell in these clutches if the egg just went bad for normal reasons, or if it went bad because of a possible double dose of spider. But bottom line is if you breed spider to spider that every egg has a 1/4th chance of carrying the lethal double gene and dying in incubation (or possibly not being laid at all). Plenty of people do it though, with very little apparent issue.
About your ball though-- he looks like a fire spider. If that's what he was sold as, I wouldn't doubt the label.