Sprite base: Big Putty

Nightcrawler's Hyper Moves

Here comes Scorpina!

Escape from Dark Dimension - Power Rangers It's Morphin Time

Eye of Agamotto and more

New char: Kurama, from Yu Yu Hakusho

New boss: Exodus

I think I already saw this somewhere...

The Thunderbolts & New Avengers unite!

Guess the character