So now it seems like Geiger's Air Super is almost identical to how he murders you in Yomi.
Get KD either through Flash Gear or a Throw. Then jump super over their body (the way Valerie does with Rainbow Disc).
So now you can Throw if they try to block, go for a crossup C (leads to the most damage) or maybe just a regular jump C to get them to block wrong. Against Setsuki (short character) I was able to get combos like:
Air super, crossup C, AB (air super connects), then anything that reaches (ABC) =8-9 hits, 5 damage (COULD be 6 but I don't think so, also can't tell because of her health bar).
Very dangerous. On larger characters it's harder to get the crossup 3 damage combo to hit before Cycloid (is this super Cycloid? I think so?) reaches the target and makes them airborne. After they're airborne you can get 1 more hit in and then Cycloid will deal its 1 damage, so I think it's 5. Been trying to get a second hit in somehow but it's not so easy.
It's also POSSIBLE but very hard to get Slow Time Spiral to hit during the 3 hit crossup, but getting the crossup C requires you to be nearly max distance before letting the Spiral fly. And then you have to make sure that where you placed Cycloid is close enough to where it's going to extend the combo. It's totally dream scenario but as far as I can tell, 6 damage is the most you can get with this setup (and it has to be against Setsuki so the 6th damage doesn't matter).
Where's Desk when you need him?
He seems very strong. I need others to play against to find out if he really is, though!
Also this was always the button Geiger was missing ; the Guile C.MP that cancels into everything. Though maybe I'm weird and I would rather b+A be the punch and A be step-kick.