Haven't seen these posted anywhere else.
Looks like Hasbro is taking the same monochromatic route as the Star Wars Black Series packaging. I think it actually works, as long as these are displayed far enough from the SW toys to make them two visually distinct toy lines.
The toy line's name actually clarifies earlier reports about future series integrating non-Avengers characters such as the previously announced X-Men, etc. So it's not Avengers Infinite, but Marvel Infinite with a wave one focus on the Avengers.