Ignoring that Hasbro doesn't license out the rights to make transforming Transformers(with some exceptions that are things they'd never make anyway), Probably the Lawsuit HG filled against Hasbro over the 2013 Transformers x G.I. Joe SDCC boxset that had a GI Joe SkyStriker done up in Jetfire's colours with a Booster/Drone to mimic the VF-1s Fast Pack