Bremen needed 30 minutes to gain a foothold into the game as Joshua Sargent tested Alexander Scholow with a long-range effort.
The pair were then taken to Spurs' training ground in Enfield, where Bale was given a rapturous welcome by fans who had waited outside of the ground to greet him.
Lucas Oliveira put the hosts ahead with a rasping 20-yard effort that flew into the top-left corner before Keno equalized from the penalty spot after Nathan Souza was brought down by Eder Ferreira.
Thiago also thanked his former club, with which he had spent the previous seven years.
Alaba joined Bayern as a junior in 2009, making his way to world-class. Over recent years, the Austrian talked about his dreams of playing in Spain for clubs like Barcelona or Real Madrid.
Surprise absentees in Scaloni's squad were Paris Saint-Germain forwards Angel Di Maria and Mauro Icardi as well as Manchester City striker Sergio Aguero.
Gilvan Correa pulled a late goal back for the hosts with a stoppage-time header following an Everton Felipe corner.
Brazilian forward Alan Kardec was awarded a special jersey to commemorate his 100th CSL appearance in Chongqing before the match.
Shenhua took the upper hand after Yang Xu converted a penalty on 47 minutes from Lu Lin's trip on Peng Xinli but R&F leveled in the 79th minute as Zhang Gong flicked in a cross from Chen Zhizhao.
"What happened was a conflict between Messi and the club. I have spoken to Messi and we are carrying on as normal," said the Barca boss. Enditem
The former Racing Club playmaker also revealed the reason for his move to La Liga.