Pokemon/Marvel Cinematic Universe

Iron Man 1:
 * Gary Oak as Tony Stark
 * Scizor as Iron Man
 * Dawn as Pepper Potts
 * Looker as Rhodey
 * Blaine as Obadiah Stane
 * Cyrus as Raza
 * Team Galactic as the Ten Rings
 * Koga as Yinsen

The Incredible Hulk:
 * Brock as Bruce Banner
 * Tyranitar as Hulk
 * Nurse Joy as Betty Ross
 * Giovanni as General Ross
 * The Iron-Masked Marauder as Emil Blonski
 * Rhydon as The Abomination
 * Prof. Elm as Dr Sterns

Iron Man 2:
 * Misty as Natasha Romanoff (Black Widow)
 * Prof. Oak as Howard Stark
 * Harley (Cacturne) as Ivan Vanko (Whiplash)
 * Rudy as Justin Hammer

Thor:
 * Pikachu as Thor Odinson
 * Buneary as Jane Foater
 * Mewtwo as Loki
 * Zapdos as Odin Allfather
 * Moltres as Heimdall
 * Articuno as King Laufey
 * Prof Birch as Eric Selvig
 * Aipom as Darcy

Captain America:
 * Ash Ketchum as Steve Rogers (Captain America)
 * Melody as Peggy Carter
 * Archie as Johann Schidt (Red Skull)
 * Richie as Bucky
 * Prof Rowan as Dr Erskine
 * Lt. Surge as Colonel Chester Phillips
 * Sammy Oak as Howard Stark

The Avengers:
 * James as Clint Barton (Hawkeye)
 * Paul as Nick Fury
 * May as Maria Hill
 * Tracey as Phil Cohlson

Phase 2
Iron Man 3:
 * Ghetsis as the Mandarin
 * N as Aldrich Killian

Thor 2: The Dark World:
 * Darkrai as Malekith the Dark

Captain America 2: The Winter Soldier:
 * Clemont as Sam Wilson (Falcon)

Guardians of the Galaxy:
 * Red as Peter Quill/Star-Lord
 * Gardevoir as Gamora
 * Machoke as Drax
 * Sudowoodo as Groot
 * as Rocket
 * as Thanos

Avengers 2
 * as Quicksilver
 * as Scarlett Witch
 * as Ultron