Company eschewers

• Unlikely partygoers
• Solitudinarians
• They don't socialize
• Ones unlikely to attend mixers
• Many serial killers
• Mixer nixers
• They're not party people
• They don't mix well
• Single sorts, and the letters dropped from pairs in the theme answers

Wikipedia Word definitions in Wikipedia
Loners (originally named Excelsior ) is a spin-off mini-series of comic books from Marvel Comics , first appearing in the pages of Runaways . It consists of a Los Angeles -based support group for former teenage superheroes from New York , founded by Turbo ...