In Battle.net already out the appropriate update.
Blizzard Entertainemnt kept his word and at the end of June back in Overwatch full competitive mode. However, so far only on the PC.
In Battle.net already out the appropriate update. On the consoles patch will be available sometime next week, but while Blizzard may not give an exact date. In the future the company will try to release the updates simultaneously on all platforms.
Seasons in the competitive mode is tied to the seasons, so now in Overwatch has started a summer series of competitions. Usually they will go two and a half months, but the first season will be shorter: it will end on 18 August, that is only going to last a month and a half. This is due, of course, that competitive mode, but at the end of June.
The reward for the successful promotion of the League table will be special badges for the profile, graffiti and victory points. The first two prizes change every season, and last you can buy skins for weapons. Yes, in Overwatch now there is also the option of customization. Now give victory points to acquire the Golden color.
Finally, Blizzard has once again warned that the rules of the competition regime is likely to change more than once: to understand how to make these games really interesting, you will need to spend a few seasons.