The European Commission on Tuesdayopened an in-depth investigationinto Microsoft’sproposed $68.7 billion Activision Blizzard acquisition.

This followslast month’s informal probe.

World of WarcraftandOverwatchare some of the other major franchises in the Activision Blizzard stable.

“Our in-depth investigation will assess how the deal affects the gaming supply chain.”

“We want people to have more access to games, not less.”