Hi chorus7.
Just to make clear some things. Both Spark and Maschine are hybrid instruments, this means that there are two parts: a)the software running on a Mac/PC b)the hardware controller connected to the system.
Both controllers have no sequence or synthesis capabilities by their own cause this is where the software takes place. So it makes no sense to sequence Maschine using Spark's sequencer. Hope it's understandable now, unless you mean something different...like to use Spark's controller to control Maschine . Spark controller is a fully capable
MIDI controller as well, so yes you can use it with any software you like.
Cheers!
p.s. Spark sounds amazing though, when the demo is out you can hear what's all about!