Origin 

James is the son of Captain America & the Black Widow. He was raised by Iron Man alongside his friends Azari, Henry Pym Jr., and Torunn. Together they formed the Kid Avengers and later added Hawkeye to their team.  
The Kid Avengers brought an end to Ultron's tyranny together with the help of Iron Man, Vision, and the Hulk. He is the leader of the Next Avengers, he uses an energy version of his father's shield then later gains possesion of his father's original shield. Like his father he has a great difficulty doing nothing and blames himself for the trouble he and his surrogate family get into. He dosn't know if he is as strong as his father but his reflexes and agility are just like his father's and his mother's, who were both enhanced. 
 

Creation 

James Rogers first appearance is in the animated Marvel movie Next Avengers Heroes of Tomorrow, written by Greg Johnson and Craig Kyle, with a screenplay by Christopher Yost. Eventually this alternate future reality was referenced in Marvel comics, and James appears for the first time in Avengers #1 (2010) written by Brian Michael Bendis and drawn by John Romita Jr. 
 

Powers and Abilities 

James has enhanced abilities, similar to that of his parents. He also uses a futuristic tech weapon that is reminiscent of his fathers iconic shield.