mewtwo. Edward Elric VS Domon Kasshu (sans Gundam)

Domon wins by default. You can't beat the King of Hearts.

Ben Franklin vs. Ben Grimm

Rita Repulsa has kidnapped Master Splinter , April O'Neil and Casey Jones

Master Shredder has captured Trini , Kimberly and Alpha 5

Shredder has convinced the Ninja Turtles that he has created a Powerful multi colored foot ninja clan and to save their family. They have to defeat them!

Rita has convinced the Mighty Morphin Power Rangers that she has created new monsters with Ninja Skills far superior to any monster they have ever fought before.

Tommy ( Green Ranger ) , Jason , Billy & Zack VS Mikey , Donnie , Leo & Raph

Who Wins?

Trick question. The two sides fight to a stand-still before realizing they're on the same side and the team up to go kick some serious bad guy ass.

This man gets it!

Mutsuki Vs Micchy: Spiders Vs Grapes!

Colon Vs Wagon

Oren Vs Phillip

Philip would take an interest in the Durian armor that Oren wears and would require to read everything on Durians before fighting Oren. Oren would get fed up with Philip and leave, winner Philip.

Tsukasa vs Tendou

Unicorn Gundam Vs. Wing Gundam zero (that's right! Universal century vs after colony! >:3)

4Chan Vs YouTube Commenters.

Winner battles Tumblr.