E3 2021 starts tomorrow on June 12th, 2021. A new trailer has been shared with the world to kick off E3 2021 and features the many developers and publishers that are participating in the digital event. Nintendo and XBox make their presence known seconds into the trailer but the rest follow suit soon after.
If you want to check out the E3 2021 Official Trailer, you can check it out below:
Source: Wonacott PR and E3 (YouTube)