Also Desert Race at Heide Park launches to its max speed in 2,4 seconds. Maybe this is a clone with a similar launch and a few inversions.
I also doubt it would be a Mack designed just because Europa Park is more intressted in quality. I highly doubt they would spend millions of euro on a Mack. They would probably spend that much money on a B&M, Intamin, and maybe
a Vekoma, Arrow/ S&S.
According to rcdb.com:
Roland Mack gave in interview to a local German newspaper in which he elaborated on the park's expansion plans. The park will be enlarged with 70-85 hectares which are now still situated outside the park's boundaries. For this to happen, the access road will be moved. The centerpiece of the new themed area will be a new roller coaster. According to Roland Mack, the ride will feature elements and techniques, never seen before.
Teasers on the park's website hint this roller coaster will have a 2.5 second launch and inversions.
Could it also be a launched eurofighter? Those would probably have techniques never before seen.