Verkkothe nwa experiment would prove to be wwe’s final collaboration with an independent promotion (although they’d incorporate it later with the “invasion” of. Verkkoas previously mentioned, the von erich's never worked in wwe/f as a team. Kevin's sons, marshall and ross, went into the business, and have competed. Verkkoat the beginning of 1998 the wwe had been losing the monday night wars to wcw and the nwo when they decided to stage their own invasion,.