I found a really cool alternative build to the 76126 set - Avengers Ultimate Quinjet.
The new construction from Dorian Bricktron's YouTube channel shows us a new structure of any kind of cool transfer plane, I must mention that I really like this construction and it is definitely very creative.
Instructions for the plane can be found in the description of the video on YouTube.

Watch now:

 

Also if you want you can see here a fast build of the original model: