Strap in, Marvel fans – we’ve finally got some big news about both Avengers films… and it looks like the MCU will be changed forever.

If you’ve been following along withSan Diego Comic-Con, you’ll know the jewel in the crown of panels is when Marvel takes to the hallowed Hall H.

This year, fans are in luck, as four absolute clangers of new details have dropped into our laps – and it’s all aboutAvengers 5andSecret Wars.

Not only will the cast of theFantastic Fourbe making an appearance in both, but each will be directed byMarvel moviestalwarts theRusso Brothers. If that’s not enough, Avengers 5 is officially titled Avengers: Doomsday after a certain villain… who’s being played by none other than Robert Downey Jr!

Robert Downey Jr. & The Russo Brothers are returning to the MCU

The world is healingpic.twitter.com/CFEEzraLDh

Unsurprisingly, fans have absolutely lost their minds over the announcement – but the changes have also divided opinion.

“Bringing in the Russos and Robert Downey Jr. shows how desperate they are,” one fanpostedon X/Twitter.

A second agreed, “NO. THIS IS THE WORST IDEA EVER. JUST SAVE CHRIS EVANS AND RDJ FOR SECRET WARS. STOP OVEREXPOSING THEM BEFORE THE BIG COMEBACK.”

“The goat is back,” a thirdweighed in, while a fourth fan stated, “OH MY F**KING GOD WE WILL BE THERE.”

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While bringing the Russos back comes as less of a surprise, it’s so far been unclear just how involved the Fantastic Four will be in the MCU. Their own movie, now retitled The Fantastic Four: First Steps, begins filming on July 30th.

“They better cause the rest of the ‘Avengers’ look weak so far…” another fanadded.

Meanwhile, Giancarlo Esposito has officially been revealed as Sidewinder inCaptain America 4, while Thunderbolts teased its first trailer to audiences – alongside the potential casting of Sentry.

For more, keep up to date withSpider-Man 4andVenom 3, while taking a look at the rest ofMarvel’s upcoming movies and TV shows. You can also findnew movies streamingthis month.

Jasmine Valentine is a TV and Movies Writer on Dexerto’s UK team. She’s the go-to source for all things Young Sheldon and Virgin River. Jasmine has also written for the likes of Total Film, The Daily Beast, and Radio Times. You can contact her at jasmine.waters@dexerto.com