The show has MCU material in it. The team for one thing, being the core six plus Falcon. There's other things there too: the Power Stone and it's effect, Iron Man's armor coming to him and Thanos. Could more MCU Avengers come to the show?
For this show, I know they probably want to keep the team small, but I can dream can't I? I chose these characters because they will all be Avengers in the MCU. I did figure out how they could get onto the team too.
Scarlet Witch and Quicksilver
As in the movie, I think they should start off as enemies of the Avengers. I'm thinking this should be HYDRA's doing. The Mind Gem would be the cause for them to be enemies of the Avengers. Everything is normal in the Disney XD world for Marvel. Wolverine, Juggernaut and Sabertooth were in Ultimate Spider-Man, and Avengers Assemble and Ultimate Spider-Man are set in the same universe. That means the twins would still be Magneto's children for the show. I would totally have some Genosha and Magneto action, but Marvel wants their Disney XD cartoons to minimize FOX material.
Falcon put together the tracking algorithm and the Mind Gem is the first one on the list. This, however leads the Avengers into a trap and they are fighting the twins and a bunch of HYDRA goons led by Baron von Strucker. During the fight, Iron Man figures out that there is cosmic energy around them and they are mind controlled. Scarlet Witch should show them the dark visions too. At the end though, the Avengers would free them of the mind control. The Mind Gem, however, is nowhere to be found. They were following traces of the stone. Actually, I think these should be two episodes. "The Twins Part 1" and 2. It would be cool to see them in their MCU looks. I am one of the few people that don't have a problem with Quicksilver having a silver bluish look for him in the MCU. Scarlet Witch too. Not a problem for me.
Wakanda could be under attack and Reality Stone energy is the cause. Used by Klaw and HYDRA backed by Enchantress and Executionner. The Avengers follow the trail of the Reality Stone. [Black Panther](movie:9047) knows who they are and doesn't want outside help. The Avengers would have to fight the Wakandans much like they did in Avengers: Earth's Mightiest Heroes. Enchantress and Executioner would also be foes they would have to fight. Captain America goes on ahead to find the Black Panther. Black Panther is fighting Klaw, but he is about to have Black Panther ambushed. Cap takes out the attackers "You have him, T'Challa. The rest of these guys are fair game." Reluctantly, Black Panther agrees. After this, the Avengers regroup to the arena. T'Challa explains to his people that Wakanda came under attack and outsiders helped them. These Avengers fought valiantly in the defense of Wakanda and he would gladly fight beside them (he doesn't become an Avenger in that episode though). Kind of similar to the Avengers: Earth's Mightiest Heroes. The episode would end with a mysterious figure swooping in and stealing the Reality Stone. Title for this episode? "Big Trouble in Little Wakanda". I wouldn't mind seeing him in his MCU costume or some other cool one.
The beginning of the episode. The Avengers are hard at work trying to figure out who stole the Reality Stone in the last episode. There is then two people flying at supersonic speed through New York. The team is on it. "Hey guys is that....is that Carol?!" Hawkeye asks. "Yes that is her, our ally..and she battles Hyperion!" Thor says. They fight, Hyperion flees and Carol tells the team the situation. The Avengers tell her about the Infinity Stones. Right then in there, the Avengers get a call from the [Guardians of the Galaxy](movie:424073). It is a favor. It'll be quite awesome because the Avengers have another hero and the Guardians would have expanded their roster since they last met. I say add Nova and Quasar to the Guardians for this episode. The two teams are fighting Korvac. He's taken over a planet and the Guardians need the Avengers' help. I'd title this episode "The Favor".
For them to all become Avengers
A week after "The Favor",Scarlet Witch, Quicksilver, Black Panther and Captain Marvel are now Avengers and have been on the team for a few days. The episode starts off with the whole team on a mission.
I feel Arsenal will become Vision or Ultron. Say I'm wrong though.
The Avengers I've listed won't all join at the same time.
Well that's my idea for the day, am I on point or is it far fetched?