* Wolverine was still Marvel's go-to guy to whore out at the time of the announcement, uncaring about the Murdoch empire handling his films. The Star Wars Expanded Universe was still a thing. Then the Disney empire happened to both.
* The rise of toys-to-life games.
* TMNT got five new incarnations (The 2007 CGI film, the IDW comics, the Nick cartoon, Out of the Shadows and Teenage Mutant Ninja Shreks) and was sold off to Viacom in the interim between those two first mentioned incarnation
* Transformers got four new major universes (Bayformers, Animated, War for Cybertron/Fall of Cybertron and Prime/Rescue Bots/Robots in Disguise 2015). Also, the IDW G1 universe began one year before the announcement of of Versus XIII and is still running to this day.
* The rise of toys-to-life games.
To expand on that, beyond the Bayformers and the Teenage Mutant Ninja Shreks...-Michael Bay destroyed everybody's childhood with his "Transformers" series and producing the new TMNT movie.
* TMNT got five new incarnations (The 2007 CGI film, the IDW comics, the Nick cartoon, Out of the Shadows and Teenage Mutant Ninja Shreks) and was sold off to Viacom in the interim between those two first mentioned incarnation
* Transformers got four new major universes (Bayformers, Animated, War for Cybertron/Fall of Cybertron and Prime/Rescue Bots/Robots in Disguise 2015). Also, the IDW G1 universe began one year before the announcement of of Versus XIII and is still running to this day.