For example, the Pikachu [English] is referring to the CoroCoro glossy release (i.e., an English-language card printed on Japanese glossy stock)
That's just speculation, of course, as WOTC could also decide to focus on interpretations of Marvel's comics more than the movie recreations - The Lord of the Rings products are entirely new imaginings of those stories and characters, for example, rather than following the lead of Peter Jackson's popular trilogy
1/1 Rockruff/Lycanroc -
This results in an end board that can 1) negate any face up card your opponent plays, then 2) add back a monster for follow up while resetting another copy of the trap to protect that follow up
However, there are plenty of more iconic magicians to come on this list
Talonflame and Ninja Boy stood out, but the set was wildly unbalanced and had little competitive impact