It's the Secret Wars! Or at least, the version of the Secret Wars that was in the 1994 Spider-Man cartoon. Much different from the comic book version, and definitely much different from the RP, but it's kinda nice to watch, so here it is.

Chapter 1: http://www.youtube.com/watch?v=KDi23AavEoA
http://www.youtube.com/watch?v=daquUT_6p_I

Chapter 2: http://www.youtube.com/watch?v=IYYVf1LwNIA
http://www.youtube.com/watch?v=e-OfztOse1I

Chapter 3: http://www.youtube.com/watch?v=o0u9ZpwSTpg
http://www.youtube.com/watch?v=lXXX1D7n20o