The Super Hero Squad Show (2009)

S2E12 Too Many Wolverines!

A horde of Wolverine clones descends on Super Hero City, prompting the real Wolverine and Reptil to track down the origin with assistance from Firestar. While the rest of the Super Hero Squad works to contain the rampaging clones, Reptil remains oblivious to the fact that his science fair partner is actually Firestar in disguise.