Reinhardt, Bastion and Arcee transform into Optimus Prime, Bastion and Sojourn, while Ramattra assumes the role of Megatron.
Quality of life changes also include an altar to respawn a boss to fight them again, not having to craft sigils for The Beast in Ice, and more.
Season 5 introduces the Infernal Hordes - a wave-based activity ending in a boss fight against the Fell Council for rewards.
The company is promising its biggest Gamescom booth to date, with games such as Diablo 4: Vessel of Hatred and World of Warcraft: The War Within also confirmed.
Adding to the free-to-play hero shooter's impressive resume of collaborations is Hasbro's robot-centric toy and media franchise.
Summer Games, a new Quickplay: Hacked and Hero Mastery Challenges for Soldier 76 and Kiriko are also coming this season.
The next season of Blizzard's hero shooter is Tokusatsu-themed, with skins inspired by Kamen Rider and Ultraman inbound.
World of Warcraft will kick off the Worldsoul Saga with the first expansion of the planned trilogy, The War Within, in August.
The expansion, which is in development for PC and consoles, will bring a new location, new loot, new story content, and more.
Ahead of the June 9th showcase, Giant Bomb's Jeff Grubb reports, "At least a handful of those are games we haven't heard of before."
"Special episodes" of the Official Xbox Podcast will offer updates and deep dives starting June 10th till the end of the week.
The tenth expansion for Blizzard Entertainment's long-running MMORPG is set to launch in full sometime later this year.
The "newest" expansion for World of Warcraft Classic is now available, as players battle against Deathwing in a shattered Azeroth.
Players can now Temper their gear with affixes of their choice, upgrade them for more benefits and partake in revamped Helltides.
After its PTR session in April, Blizzard has made several changes to Masterworking, Tempering, Helltides and much more for Season 4.
Damage dealers will reduce passive healing by 20 percent instead of 15, while Orisa's Fortify and Javelin Spin are less potent.
The development team will discuss what it learned from last month's Public Test Realm, provide a deep dive into Season 4 and more.
New mechanics like Tempering and Masterworking, an overhaul to loot drops and affixes, and fresh activities arrive this month for free.
The [REDACTED] Showcase will take place afterwards and offer a deep dive into the "next installment of a beloved franchise."
"While we have great things to share in 2024, the timing just doesn’t line up for one single event at the end of the year," the company says.