Not post the whole "we're all parts of an evil alien space god, who has to be written into everything" retcon thing, no, sadly.
I'm pretty certain that they wrote that to balance out "Spiderman and all of other Spidermen are intrinsically connected to multiversal cosmic Spider Gods." Because Venom has to copy Spiderman in all aspects.
Ichigo: What even *are* you?!
Kenpachi: Some say my mother was a train. Some say that I'm a rejected Godzilla monster too strong for the series canon. But everyone says: I'M THE KEEEEENPACHIIIIII!!!!