I’m not a legitimate source, but my guess is that it’s basically a standing version of Thunderbird that utilizes their newly patented standing restraint.
The first B&M version of anything seems to be a half to two-thirds scale version of where the coaster style eventually goes (Batman The Ride... Oblivion is basically just a lift hill, drop, and circle back to the station), so I doubt it would top Mako’s top speed or have anything more than 1-3 inversions. Now that I think of it, making a penguin faster than a mako shark would also kinda ruin all the marketing for Mako.