It's baby Tony and baby Bruce and near end Tony slaps Bruce with his saliva hand so Agent Phil tells Nick Fury that there's a problem in the play room. Fury is holding baby Clint and baby Thor is on Phil's head. Fury knows it was Tony!
The Tangled Avengers.this is pure brilliance wrapped in awesome. If you didn't sing it you're lying<<<I totally imagined Loki clinking two tiny unicorns together and Steve singing his part more than every other character