Some more match-ups I've done recently:
Solid Snake vs. Crimson Viper (the idea is Snake is dodging her Seismic Hammer attack)
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Jin Kazama vs. Jin Saotome (Jin S is dodging Jin K's punch)
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Mr. X vs. Koopa Troopa (he's not afraid of Mr X's stomp)
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Lynn Baker vs. Chun Li (simultaneous punch to the face!)
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Ken vs. K' (K' is dodging a Shoryuken and charging up his hand, flames will be added to both when it gets colored)
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A new version of the center piece from before, replacing Dr. Doom with Rorschach. Dr. Doom will now appear in the background, along with M. Bison (their heads will be very large, one on each side taking up almost the entire area)
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I was trying out some new angles and poses, perspective isn't a strong suit for me so there may be some issues here and there. Let me know what you guys think.