This is discussion archived from a time before the current discussion method was installed.
Ununnilium: Took Abyss out of the Marvel vs. Capcom 2 entry — he's actually an obscure X-Men villain.
Prfnoff: Removed this example; if it fits this trope, I haven't an idea how. In particular, I have no idea what The Argonautica is supposed to be a crossover of.
- Jason and Medea of The Argonautica which makes this Older than Dirt.