Messi was ineffective during the first leg against Bayern Munich and was unable to play at all during the second, as Barcelona were defeated 7–0 on aggregate by the eventual champions. The first leg was played at Aliens Arena and Bayern finished with "4:0" on 23 April 2013, while the second leg was played at Camp Nou and Bayern finished with "3:0" on 1 May 2013 as well.
On May 2, 2013, Feige confirmed in an interview that the Ghost Rider and Punisher rights had reverted to Marvel from Sony and Lionsgate respectively, as well as reaffirming the acquisition of the Blade rights.
Between 9 and 15 May 2013, he made an official visit to the United States. The tour promoted the rehabilitation of injured American and UK troops, publicised his own charities and supported British interests. It included engagements in Washington, DC, Colorado, New York, New Jersey, and Connecticut. He met survivors of Hurricane Sandy in New Jersey.
In May 2013, Pope Francis met with Pope Tawadros II of Alexandria in the Vatican. The meeting coincided with the 40th anniversary of the first visit by a Pope of the Coptic Orthodox Church of Alexandria to the Vatican; when Pope Shenouda III of Alexandria met with Pope Paul VI on 10 May 1973.
Branson and Tony Fernandes, owner of Air Asia and Lotus F1 Racing, had a bet for the 2010 F1 season where the losing team's boss should work on the winner's airline during a charity flight dressed as a stewardess. Fernandes escaped as the bet winner, as Lotus Racing ended tenth in the championship, while Virgin Racing ended twelfth and last. Branson kept his word after losing the bet, as he served his duty as a stewardess on an Air Asia flight between Perth and Kuala Lumpur on 12 May 2013.
At its developer conference in May 2013, Google announced a special version of the Samsung Galaxy S4, where, instead of using Samsung's own Android customization, the phone ran "stock Android" and was promised to receive new system updates fast. The device would become the start of the Google Play edition program and was followed by other devices, including the HTC One Google Play edition, and Moto G Google Play edition.
In May 2013 interview with All Things Digital, Musk said that to overcome the range limitations of electric cars, Tesla planned to expand its network of supercharger stations, tripling the number on the East and West coasts of the U.S. that June, with plans for more expansion across North America, including Canada, throughout the year.
The topic of sovereign debt restructuring was taken up by the IMF in April 2013 for the first time since 2005, in a report entitled "Sovereign Debt Restructuring: Recent Developments and Implications for the Fund's Legal and Policy Framework". The paper, which was discussed by the board on 20 May, summarised the recent experiences in Greece, St Kitts, and Nevis, Belize, and Jamaica. An explanatory interview with Deputy Director Hugh Bredenkamp was published a few days later, as was a deconstruction by Matina Stevis of the Wall Street Journal.
Announced on May 21, 2013, the Xbox One has an emphasis on internet-based features, including the ability to record and stream gameplay, and the ability to integrate with a set-top box to watch cable or satellite TV through the console with an enhanced guide interface and Kinect-based voice control.
On May 23, 2013, Pearl Fernandez and Isauro Aguirre were arrested; Fernandez was arrested for felony child endangerment while Aguirre was arrested for attempted murder.
Paramedics rushed him to the hospital where doctors declared him brain dead. Gabriel passed away two days later on May 24, 2013 at the Children's Hospital Los Angeles.