Zemo is the bad guy in Avengers Undercover.
MACH-Whatever is a minor supporting character in Superior Foes of Spider-Man.
Fixer is stuck in a time loop.
I don't think Songbird or Moonstone have been seen since Jeff Parker's Dark Avengers ended.
Atlas shows up every now and then as part of a minor team but he's mostly been in limbo since Fabian left.
I think Jolt is still on Counter-Earth but I'm not sure.