Iron Muppets by Derek Langille:

Gonzo and Beeker as Deadpool and Hydra Bob by Fernando Pinto:

Statler and Waldorf as Golden Age Flash and Green Lantern by Nick Perks:

Muppets of Future Past by Axel Medellin:

Cookie Monster as Galactus by David Branstetter:

Reign of the Super Grovers by Marco DAlfonso:

Spider-Man and Kermit by Nelson Flores:

The Cookie Monster vs the Hulk by Nick Perks:

[The Line It Is Drawn Via CBR]