In an image from the Invincible Comic Vol 1 78 10 Marks appear, but only 8 have been identified, the weird thing here is that the 2 unidentified variants indirectly wear Mark's traditional clothing (so Bulletproof and Flaxan are not), the only 2 closest to that is Retro Mark who died in an explosion and No Goggles Mark who was taken to the shadowverse
Edit: 8/10 have already been identified on the wiki, I have identified the other 2 (Retro Mark and No Goggles Mark)
